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Daniel J. Cronin (born November 7, 1959) is an American politician and attorney who served as county board chairman of
DuPage County, Illinois DuPage County ( ) is a County (United States), county in the U.S. state of Illinois, and one of the collar counties of the Chicago metropolitan area. As of the 2020 United States census, 2020 census, the population was 932,877, making it List of ...
from December 2010 until December 2022. A member of the Republican Party, he previously served in the
Illinois General Assembly The Illinois General Assembly is the legislature of the U.S. state of Illinois. It has two chambers, the Illinois House of Representatives and the Illinois Senate. The General Assembly was created by the first state constitution adopted in ...
from 1991 through 2010. Cronin was born in
Elmhurst, Illinois Elmhurst is a city in DuPage County, Illinois, DuPage and Cook County, Illinois, Cook counties in the U.S. state of Illinois. It is a western suburb of Chicago. The population was 45,786 at the 2020 United States census, 2020 census. History M ...
. He received a bachelor's degree from
Northwestern University Northwestern University (NU) is a Private university, private research university in Evanston, Illinois, United States. Established in 1851 to serve the historic Northwest Territory, it is the oldest University charter, chartered university in ...
and later graduated from the
Loyola University Chicago School of Law Loyola University Chicago School of Law is the law school of Loyola University Chicago, a Private university, private Society of Jesus, Jesuit research university in Chicago. Established in 1908, Loyola University Chicago School of Law offers de ...
. Cronin spent his early legal career as counsel for the
Illinois House of Representatives The Illinois House of Representatives is the lower house of the Illinois General Assembly. The body was created by the first Illinois Constitution adopted in 1818. The House under the constitution as amended in 1980 consists of 118 representativ ...
from 1985 to 1987, then as a prosecutor in DuPage County from 1987 to 1989. Since 1991, he has worked in private practice. He comes from a family that has been politically prominent in DuPage. His father, a sports physician who ran his practice and owned a medical office building in Elmhurst, helped with Dan's campaigns. Dan's brother, an attorney, managed campaigns for Republican candidates at the state and county levels in 1994, then ran unsuccessfully for DuPage
state's attorney In the United States, a district attorney (DA), county attorney, county prosecutor, state attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or solicitor is the chief prosecutor or chief law enforcement officer represen ...
during the 1996 elections. His sister, an accountant, previously served as city treasurer of Elmhurst and later as a member of the Illinois Liquor Control Commission; she was elected to the DuPage County Board in 2022. Cronin was elected to the House of Representatives in 1990, after defeating Republican incumbent
Gene L. Hoffman Gene L. Hoffman (September 26, 1932 – December 28, 2007) was an American educator and politician. Born on a farm near Canton, Illinois, Hoffman served in the United States Army. He received his bachelor's degree from Illinois State Universi ...
on an anti-tax and anti-
abortion Abortion is the early termination of a pregnancy by removal or expulsion of an embryo or fetus. Abortions that occur without intervention are known as miscarriages or "spontaneous abortions", and occur in roughly 30–40% of all pregnan ...
platform. He supported cutbacks to taxes and government spending, and earned a reputation as a conservative Republican. He then ran for the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
during the 1992 elections. Recent
redistricting Redistricting in the United States is the process of drawing electoral district boundaries. For the United States House of Representatives, and state legislatures, redistricting occurs after each ten-year census. The U.S. Constitution in Art ...
pitted Cronin against
Ted Leverenz Ted E. Leverenz (June 19, 1941 – April 8, 2020) was an American politician who served as a Democratic member of the Illinois General Assembly from 1975 to 1993. Biography Leverenz was born June 19, 1941, in Blue Island, Illinois. He was educate ...
, an incumbent Democratic senator, in what was considered one of the "liveliest and most bitter contests" of the election season. Cronin won the election. He became chairman of the Senate's education committee, where he sponsored or debated several bills concerning reforms of
Chicago Public Schools Chicago Public Schools (CPS), officially classified as City of Chicago School District #299 for funding and districting reasons, in Chicago, Illinois, is the List of the largest school districts in the United States by enrollment, fourth-large ...
. He also sponsored legislation that restricted
Medicaid Medicaid is a government program in the United States that provides health insurance for adults and children with limited income and resources. The program is partially funded and primarily managed by U.S. state, state governments, which also h ...
funding for abortions, but the bill was vetoed by Governor
George Ryan George Homer Ryan (February 24, 1934 – May 2, 2025) was an American politician who served as the 39th Governor of Illinois from 1999 to 2003. A member of the Republican Party, he previously served as Secretary of State of Illinois from 1991 ...
. After becoming chairman of the DuPage County Board in 2010, Cronin launched initiatives to consolidate units of local government in the county. His reforms included merging the county's election commission into the county clerk's office in 2019, with the approval of voters during a non-binding countywide referendum. Cronin was re-elected to a second term in 2014. His accomplishments included reducing the county's sales tax by 0.25 percentage points. While running for his third term in 2018, he faced a strong challenge from Democratic candidate Lynn LaPlante, and narrowly won re-election. Following the 2018 elections, DuPage was no longer a Republican stronghold, and Cronin lamented increased political infighting on the board. In 2020, Democrats won a majority of the seats on the board for the first time since the 1930s. He submitted budgets for fiscal years 2022 and 2023 – his last as chairman – which kept property tax rates unchanged and took advantage of surpluses from rising sales tax revenues. Cronin decided not to run for re-election at the end of his term in 2022; he was succeeded by Democratic state representative
Deb Conroy Deborah "Deb" O'Keefe Conroy is an American politician currently serving as chair of the county board of DuPage County, Illinois. She previously served as a member of the Illinois House of Representatives, representing the 46th district from 2012 ...
.


Early life and legal career

Cronin was born on November 7, 1959, in
Elmhurst, Illinois Elmhurst is a city in DuPage County, Illinois, DuPage and Cook County, Illinois, Cook counties in the U.S. state of Illinois. It is a western suburb of Chicago. The population was 45,786 at the 2020 United States census, 2020 census. History M ...
. His parents, Richard Cronin and Claire Cronin (), had nine children: five sons and four daughters. The family lived across the street from
York Community High School York Community High School is a public secondary school in Elmhurst, Illinois, United States. It is a part of the Elmhurst Community Unit School District 205. Most of the students reside in Elmhurst; however, the district also draws a small numb ...
. Cronin graduated from Immaculate Conception Grade School and Fenwick High School. Cronin earned a
bachelor of arts A Bachelor of Arts (abbreviated B.A., BA, A.B. or AB; from the Latin ', ', or ') is the holder of a bachelor's degree awarded for an undergraduate program in the liberal arts, or, in some cases, other disciplines. A Bachelor of Arts deg ...
degree from
Northwestern University Northwestern University (NU) is a Private university, private research university in Evanston, Illinois, United States. Established in 1851 to serve the historic Northwest Territory, it is the oldest University charter, chartered university in ...
and a
Juris Doctor A Juris Doctor, Doctor of Jurisprudence, or Doctor of Law (JD) is a graduate-entry professional degree that primarily prepares individuals to practice law. In the United States and the Philippines, it is the only qualifying law degree. Other j ...
degree from the
Loyola University Chicago School of Law Loyola University Chicago School of Law is the law school of Loyola University Chicago, a Private university, private Society of Jesus, Jesuit research university in Chicago. Established in 1908, Loyola University Chicago School of Law offers de ...
. From 1985 to 1987, he served as legal counsel to Lee A. Daniels, minority leader of the
Illinois House of Representatives The Illinois House of Representatives is the lower house of the Illinois General Assembly. The body was created by the first Illinois Constitution adopted in 1818. The House under the constitution as amended in 1980 consists of 118 representativ ...
, where Cronin helped oversee the movement of legislation presented on the House floor. From 1987 through 1989, Cronin worked as a prosecutor in
DuPage County DuPage County ( ) is a county in the U.S. state of Illinois, and one of the collar counties of the Chicago metropolitan area. As of the 2020 census, the population was 932,877, making it Illinois' second-most populous county. Its county seat ...
, serving under Jim Ryan, the county
state's attorney In the United States, a district attorney (DA), county attorney, county prosecutor, state attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or solicitor is the chief prosecutor or chief law enforcement officer represen ...
. He worked alongside Joe Birkett, who would eventually become state's attorney in 1996 and
Appellate Court An appellate court, commonly called a court of appeal(s), appeal court, court of second instance or second instance court, is any court of law that is empowered to hear a case upon appeal from a trial court or other lower tribunal. Appel ...
judge in 2010. In 1991, he began to practice law at Cronin & Ruggiero, where he specialized in criminal law, family law, and real estate. He was also associated with Kemp & Capanna Ltd. In 1993, he transferred to Power & Cronin, based in Oak Brook. He eventually became a senior partner at that law firm.


Family

Dan is married to Juliann Ashley Cronin, owner of A&H Lithoprint, a
lithography Lithography () is a planographic method of printing originally based on the miscibility, immiscibility of oil and water. The printing is from a stone (lithographic limestone) or a metal plate with a smooth surface. It was invented in 1796 by ...
company in Broadview. Juliann is also a part-time yoga instructor. The couple became engaged in October 1991 and married in May 1992. They have three daughters and one son, and they are members of Immaculate Conception
Parish A parish is a territorial entity in many Christianity, Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest#Christianity, priest, often termed a parish pries ...
in Elmhurst. Cronin is part of a large,
Irish American Irish Americans () are Irish ethnics who live within in the United States, whether immigrants from Ireland or Americans with full or partial Irish ancestry. Irish immigration to the United States From the 17th century to the mid-19th c ...
,
Catholic The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
, Republican political family. Most of the family lives in DuPage, several in Elmhurst. Around 50 family members and friends attended his inauguration to the House of Representatives in 1991. After Dan was elected to the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
in 1992, the Cronin family was called the "
Kennedys The Kennedy family () is an American political family that has long been prominent in American politics, public service, entertainment, and business. In 1884, 35 years after the family's arrival from County Wexford, Ireland, Patrick Joseph "P ...
of DuPage" or "Kennedys of Elmhurst", not necessarily a compliment in the Republican-dominated county. The family was seen as politically ambitious, potentially prompting animosity and wariness from incumbents and insiders. Dan's father, Richard Cronin, was born in Oak Park. Richard played football while attending Fenwick High School and the
University of Notre Dame The University of Notre Dame du Lac (known simply as Notre Dame; ; ND) is a Private university, private Catholic research university in Notre Dame, Indiana, United States. Founded in 1842 by members of the Congregation of Holy Cross, a Cathol ...
, where he graduated in 1946. He earned a
Doctor of Medicine A Doctor of Medicine (abbreviated MD, from the Latin language, Latin ) is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the ''MD'' denotes a professional degree of ph ...
degree in 1950 at the
Stritch School of Medicine The Stritch School of Medicine is the medical school affiliated with Loyola University Chicago. It is located at the heart of the Loyola University Medical Center in Maywood, Illinois. The medical campus includes Foster G. McGaw Hospital, Ca ...
, part of
Loyola University Chicago Loyola University Chicago (Loyola or LUC) is a Private university, private Society of Jesus, Jesuit research university in Chicago, Illinois, United States. Founded in 1870 by the Society of Jesus, Loyola is one of the largest Catholic Church, ...
, and completed his
residency Residency may refer to: * Artist-in-residence, a program to sponsor the residence and work of visual artists, writers, musicians, etc. * Concert residency, a series of concerts performed at one venue * Domicile (law), the act of establishing or m ...
at the University of Illinois Hospital & Health Sciences System. He and Claire Cusack married in 1952. Richard enlisted in the
Air Force An air force in the broadest sense is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army aviati ...
in 1954 and served as an
orthopedic surgery Orthopedic surgery or orthopedics ( alternative spelling orthopaedics) is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and nonsurgical means to treat musculoskeletal ...
resident for two years at
Chanute Air Force Base Chanute Air Force Base is a decommissioned United States Air Force facility, located in Champaign County, Illinois, south of and adjacent to Rantoul, Illinois, about south of Chicago. Its primary mission throughout its existence was Air Force ...
in Rantoul. He then opened a medical practice in Chicago's west suburbs, and in 1960 the family moved from River Forest to Elmhurst. Within the next few years, he organized a group of around ten doctors who purchased land to construct a medical office building at Palmer Drive and Kenilworth Avenue in Elmhurst. He specialized in sports medicine, and was crucial to the recovery of
John Huarte John Gregory Huarte (; born April 6, 1944) is an American former professional football quarterback who played with several teams in the American Football League (AFL), the National Football League (NFL), and in the World Football League (WFL) be ...
, who suffered an injury in 1964 while playing football at Notre Dame and later went on to play for the
National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...
. In 1986, Richard acquired full ownership of his office building after buying out the other partners. Richard was also a clinical medical professor at Loyola, and served as the vice chair and program director of the school's department of orthopedics. He retired from practicing medicine in the 1990s, but continued to manage the office building. He subsequently helped Dan with his senate and county board campaigns. Richard died in 2016, aged 89. Tom Cronin, Dan's younger brother by four years, was interested in politics as early as when he attended York Community High School. He and Dan worked at the Elmhurst office of Daniels, their state representative. Tom pursued undergraduate studies in political philosophy at
Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...
, and continued to work for Daniels during summer breaks. He then received a Juris Doctor and a
Master of Business Administration A Master of Business Administration (MBA) is a professional degree focused on business administration. The core courses in an MBA program cover various areas of business administration; elective courses may allow further study in a particular ...
at the
University of Chicago The University of Chicago (UChicago, Chicago, or UChi) is a Private university, private research university in Chicago, Illinois, United States. Its main campus is in the Hyde Park, Chicago, Hyde Park neighborhood on Chicago's South Side, Chic ...
. From 1990 to 1992, he clerked for William J. Bauer, chief judge of the US Court of Appeals for the Seventh Circuit and former state's attorney of DuPage. Tom then worked as an attorney at
Winston & Strawn Winston & Strawn LLP is an international law firm headquartered in Chicago. It has more than 975 attorneys spread across ten offices in the United States and five offices in Europe, Asia, and South America. Founded in 1853, it is one of the large ...
starting in the fall of 1992. He took a leave of absence to work on campaigning during the
1994 elections The following elections occurred in the year 1994. Africa * 1994 Botswana general election * 1994 Guinea-Bissau general election * 1994 Malawian general election * 1994 Mozambican general election * 1994 Namibian general election * 1994 South Afr ...
, managing Ryan's successful campaign for attorney general and Gayle Franzen's campaign for DuPage County board chairman. He earned $3,400 per month while serving as campaign manager for Franzen, who had turned to Tom and Dan for help in asserting Franzen's independence from party leadership. Tom's and Dan's mother, Claire Cronin, and two sisters also volunteered for Franzen's campaign. Tom had political ambitions of his own. In 1994, he expressed interest in running for the
US Congress The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...
if Representative
Henry Hyde Henry John Hyde (April 18, 1924 – November 29, 2007) was an American politician who served as a Republican member of the United States House of Representatives from 1975 to 2007, representing the 6th District of Illinois, an area of Chicago' ...
, whose district included northeastern DuPage, were to retire. (Hyde did not retire until 2007, and Tom did not run to replace him.) Tom ran for DuPage state's attorney in 1996 against Birkett, who by then had worked in the state's attorney's office for 14 years and was endorsed by DuPage Republican leaders. Tom positioned himself as the outsider candidate, despite having managed the campaigns of Ryan and Franzen. At a forum between the two candidates, Dan asked a question attacking Birkett for accepting campaign contributions from criminal defense attorneys. During the campaign, Dan also protested language in sample letters circulated among Republican precinct workers that endorsed Birkett and criticized Tom. Additionally, Tom faced criticisms for receiving traffic tickets and failing to appear in court to answer them, causing his drivers license to be suspended. Tom lost to Birkett. Dan's and Tom's sister, Cindy Cronin Cahill, was the first in the family to enter politics. A part-time accountant with her own company, Cahill ran for city treasurer of Elmhurst in 1989. The Cronin family helped with canvassing, including Juliann, who had not yet married Dan. Cahill was the youngest candidate in the race, and defeated her two male opponents by a wide margin. After four years, she stepped down as treasurer in 1993 to care for her children. Cahill later served as a member of the Illinois Liquor Control Commission from 2012 through 2019. She was elected to the county board during the
2022 elections The following elections were scheduled to occur in 2022. The National Democratic Institute also maintains a calendar of elections around the world. * 2022 United Nations Security Council election * 2022 national electoral calendar * 2022 local e ...
.


Illinois House of Representatives

Cronin considered running for the General Assembly in 1986 and 1988. Daniels, by then the House minority leader, advised him to wait both times. Cronin declined to wait at the 1990 elections, when he ran for the 40th district of the House of Representatives. During the Republican primary, he defeated incumbent
Gene L. Hoffman Gene L. Hoffman (September 26, 1932 – December 28, 2007) was an American educator and politician. Born on a farm near Canton, Illinois, Hoffman served in the United States Army. He received his bachelor's degree from Illinois State Universi ...
, who had been in the legislature for 24 years and was the longest-serving Republican in the House. Financing for the campaign came primarily from Dan's father, Richard Cronin. The campaign was managed by Tom Cronin, Dan's brother, and also Tom Manion, a political operative from Elmhurst who previously directed field operations for the campaigns of Chicago Mayor
Richard M. Daley Richard Michael Daley (born April 24, 1942) is an American politician who served as the 54th mayor of Chicago, Illinois, from 1989 to 2011. Daley was elected mayor in 1989 and was reelected five times until declining to run for a seventh ter ...
and US representative
Dan Rostenkowski Daniel David Rostenkowski (January 2, 1928 – August 11, 2010) was a United States Representative from Chicago, serving for 36 years, from 1959 to 1995. He became one of the most powerful legislators in Congress, especially in matters of t ...
. Pam McDonough, chief of staff for Daniels, regarded Cronin as a "good campaigner". Cronin touted an anti-tax platform, which appealed to voters, especially the conservative wing of the Republican Party. He portrayed Hoffman as being aligned with special interests. Cronin also criticized his opponent for supporting a temporary increase to state income taxes to fund education, suggesting that Hoffman was more interested in his dream job of becoming Illinois State Superintendent. Cronin, an
anti-abortion Anti-abortion movements, also self-styled as pro-life movements, are involved in the abortion debate advocating against the practice of abortion and its Abortion by country, legality. Many anti-abortion movements began as countermovements in r ...
candidate, contrasted himself from Hoffman's support for abortion rights. He positioned his campaign as a change from the incumbents, and he pledged to make government more responsive and accessible to the public. A few weeks before the primary in March, Cronin's campaign claimed that roughly 150 yard signs were removed from properties along major roadways in Elmhurst. Supporters speculated that Hoffman's backers had removed the signs ahead of the arrival of Governor James R. Thompson, who was visiting Elmhurst to endorse Hoffman. Cronin's anti-establishment positions, though they helped him win the primary, did not endear him to the party's leadership. He referred to Daniels, a Hoffman supporter, as "ineffective", and the relationship between Cronin and Daniels became strained. By the general election, Cronin would eventually ease the criticism and work with Daniels again. Tom and Dan Cronin worked afterwards to further improve their relationship with Daniels. In the general election, Cronin faced Democratic nominee Truman Kirkpatrick, a retired chemist from York Center. Cronin estimated that his campaign debt could reach $60,000–70,000, of which $25,000 was a personal loan, compared to Kirkpatrick's much more modest campaign. He urged an audit of the Illinois Department of Commerce and Community Affairs, and pledged to give the DuPage County auditor the authority to audit school districts and agencies of county government. Cronin supported amending the state constitution to provide for more referendums and to promote tax accountability. Kirkpatrick, an abortion rights advocate, believed 70% of voters in the district to be against Cronin's anti-abortion stance. Further, while Cronin supported requiring a supermajority in the
General Assembly A general assembly or general meeting is a meeting of all the members of an organization or shareholders of a company. Specific examples of general assembly include: Churches * General Assembly (presbyterian church), the highest court of presby ...
to increase taxes, Kirkpatrick countered that the scheme would make it easier for a simple majority of the legislature to spend without being able to back it up with revenue. Cronin won the election and began his term in the House in January 1991. He credited his victory against Hoffman for attracting statewide attention to rising property taxes. He supported cutbacks to state programs and personnel, and sponsored legislation that capped property taxes in the suburban counties. However, he opposed property tax-capping legislation sponsored by Daniels and Senate Minority Leader
James Philip James Peyton "Pate" Philip (May 26, 1930 – November 21, 2023) was an American politician. A longtime Republican member of the Illinois General Assembly, Philip served both the Illinois House of Representatives and the Illinois Senate includi ...
, claiming the bill extended or made permanent a surcharge on the state's income tax. As of October 1992, Cronin was the youngest member of the General Assembly. He earned a reputation as a conservative Republican. However, he supported paid family leave, opposed by Republican leadership and business constituents.


Illinois Senate


Senate campaigns and political activity

In 1991, Republicans took control of the
redistricting Redistricting in the United States is the process of drawing electoral district boundaries. For the United States House of Representatives, and state legislatures, redistricting occurs after each ten-year census. The U.S. Constitution in Art ...
of the state's legislative districts, and drew maps that gave partisan advantage to Republican candidates, especially in the suburbs of Chicago. Under the new maps, suburban voters controlled more legislative districts than
Chicago Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
or Downstate voters for the first time, reflecting population shifts. For the upcoming elections in 1992, Cronin decided to run in the new 39th senate district, solidly Republican territory with two-thirds of the district in DuPage. Two suburban senate districts in Chicago were eliminated. Senator
Ted Leverenz Ted E. Leverenz (June 19, 1941 – April 8, 2020) was an American politician who served as a Democratic member of the Illinois General Assembly from 1975 to 1993. Biography Leverenz was born June 19, 1941, in Blue Island, Illinois. He was educate ...
, a Democrat of Maywood, was forced into the 39th district, losing much of his base to another district. The race between Cronin and Leverenz was considered one of the "liveliest and most bitter contests" of the election season. Democratic colleagues regarded Leverenz as a strong campaigner to help overcome his steep odds. He touted his lengthy career as a state legislator for more than 16 years, and his pro-suburban record. Cronin, already being mentioned by observers as a possible candidate for statewide office in the 1994 elections, cast the race as a choice between a suburban conservative and a "
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