Mac Diarmada (anglicised as MacDermot or McDermott), also spelled Mac Diarmata, is an Irish surname, and the surname of the ruling dynasty of Moylurg, a kingdom that existed in Connacht from the 10th to 16th centuries. The last ruling king was Tadhg mac Diarmata, who ruled until 1585. In 2021, Paul McDermott became the Prince of Coolavin, the new head of the family. A sept of the McDermott's MacDermot Roe became high sheriff of Roscommon.

Naming conventions

History

The progenitor of the family was Dermot mac Tadhg Mor, 7th King of Moylurg, who reigned from 1124 to 1159. He was a vassal and kinsman of the Ó Conchubhair,

Kings of Connacht The Kings of Connacht were rulers of the ''cóiced'' (variously translated as portion, fifth, province) of Connacht, which lies west of the River Shannon, Ireland. However, the name only became applied to it in the early medieval era, being name ...

; their common ancestor was Tadg mac Cathal, King of Connacht from 925 to 956. They were based at McDermott's Castle, Lough Key. Later offshoot septs of the dynasty included the families of MacDermot Roe. Moylurg ceased to exist as a kingdom in the late 16th century, though the senior line of the MacDermot's continued to live a sometime poverty-stricken and precarious existence despite land confiscations and the oppression of the Penal Laws. During this era they were popularly accorded the title

Prince of Coolavin Prince of Coolavin was a title first applied by popular usage to Charles MacDermot, 1707–1758, then head of the MacDermot family of Moylurg. Coolavin () is a barony in south County Sligo in Ireland. Up to the late 16th century the head of t ...

; the current incumbent is Francis MacDermot, who succeeded by birthright to his father Rory MacDermot who passed away May 6th 2021.

Variants

Variations of the name include : * McDermott, MacDermott * MacDiarmada, MacDiarmata * MacDermot Roe, MacDermott Roe * McDermitt * McDermett * McDiarmid, MacDiarmid, Irish and Scottish language variants ultimately from Irish * MacDormand * Kermode,

Manx language Manx ( or , pronounced or ), also known as Manx Gaelic, is a Gaelic language of the insular Celtic branch of the Celtic language family, itself a branch of the Indo-European language family. Manx is the historical language of the Manx pe ...

variant ** Kermit, variant of Kermode and others.

People

McDermot

* Conchobair MacDermot *

Dermot MacDermot Sir Dermot MacDermot (1906–1989), styled Prince of Coolavin, Chief of the Name, head of the MacDermot clan, and a descendant of the Kings of Moylurg. MacDermot attended Stonyhurst College, and went on to Trinity College Dublin, where he was ...

* Frank MacDermot *

Galt MacDermot Arthur Terence Galt MacDermot (December 18, 1928 – December 17, 2018) was a Canadian-American composer, pianist and writer of musical theater. He won a Grammy Award for the song "African Waltz" in 1960. His most-successful musicals were '' Hai ...

(1928–2018), Canadian-American composer, pianist * Hugh Hyacinth O'Rorke MacDermot *

Niall MacDermot Niall MacDermot CBE OBE QC (10 September 1916 – 22 February 1996) was a British Labour politician. MacDermot was educated at Rugby School and Corpus Christi College, Cambridge, and served in the Intelligence Corps during the Second World ...

* Niall Anthony MacDermot * Rory MacDermot * Tomaltach na Cairge MacDermot

McDermott

* Alice McDermott, writer * Alister McDermott, cricketer * Andrew McDermott (singer) (born 1966), English singer *

Andrew McDermott (footballer) Andrew McDermott (1889 – 12 July 1915) was a Scottish professional footballer who played in the Scottish League for Leith Athletic as a goalkeeper. Personal life McDermott worked as a lithographer. After the outbreak of the First World ...

(1889–1915), Scottish footballer * Andy McDermott, author *

Bill McDermott William R. McDermott (born August 18, 1961) is an American businessman and is currently CEO of ServiceNow. Before ServiceNow, he was the CEO of the technology company SAP SE. During his tenure as co-CEO and CEO, SAP's market value increased fro ...

, executive * Brian McDermott (disambiguation), several people ** Brian McDermott (rugby league), rugby coach ** Brian McDermott (footballer), football manager of Reading F.C. ** Brian McDermott (murder victim), child who was murdered in Belfast in 1973 *

Bobby McDermott Robert Frederick McDermott (January 7, 1914 – October 3, 1963) was an American professional basketball player in the 1930s and 1940s. He was known as an outstanding shooter and has been called "the greatest long-distance shooter in the history ...

, basketball player * Charles McDermott (disambiguation), several people *

Charlie McDermott Charles Joseph McDermott Jr. (born April 6, 1990) is an American television and film actor, and musician, best known for his role as Axl Heck on ABC's '' The Middle''. He was nominated for the Independent Spirit Award for Best Supporting Male ...

, American actor * Chris McDermott (born 1963), Australian rule player from South Australia * Christopher McDermott (born 1989), British handball player and coach, Olympian London 2012 *

Craig McDermott Craig John McDermott (born 14 April 1965) is a former Australian cricketer. Between 1984 and 1996 he played 71 Tests for Australia, taking 291 wickets. Following the end of his playing career, he was the bowling coach for the Australian team f ...

, cricketer * David McDermott, English footballer *

Dean McDermott Dean McDermott (born November 16, 1966) is a Canadian actor best known as a reality television personality with his wife, actress Tori Spelling, and as the host of the cooking competition '' Chopped Canada''. He played the role of Constable Renf ...

(born 1966), Canadian-American actor * Doug McDermott (born 1992), American basketball player; son of Greg McDermott (see below) *

Drew McDermott Drew McDermott (December 27, 1949 – May 26, 2022) was a professor of Computer Science at Yale University. He was known for his contributions in artificial intelligence and planning. Education Drew McDermott earned B.S., M.S., and Ph.D. deg ...

, computer scientist * Dylan McDermott (born 1961), American actor * Eoghan McDermott (born 1983), Irish radio and television presenter *

Eugene McDermott Eugene McDermott (February 12, 1899 in Brooklyn, New York - August 23, 1973 in Dallas, Texas) was an engineer and geophysicist who co-founded Geophysical Service Incorporated (GSI) in 1930 and later its parent company Texas Instruments in 1951. ...

, geophysicist, philanthropist; co-founder, Chairman, Director of Texas Instruments * Gerald McDermott, American author, illustrator, graphic designer, and film maker *

Greg McDermott Greg McDermott (born November 25, 1964) is an American basketball coach who has been the head coach of the Creighton Bluejays men's basketball team since 2010. Previously, McDermott served as the head coach at Wayne State College, North Dakot ...

(born 1964), American basketball coach *

Helen McDermott Helen McDermott (born 24 March 1954) is a British radio and List of ITV journalists and newsreaders, television presenter, best known for her work at Anglia Television. McDermott began her broadcasting career in the 1970s as a continuity announce ...

, British radio and television presenter, best known for her work at Anglia Television * James McDermott (disambiguation), several people ** James J. McDermott, Jr., former CEO and Chairman of Keefe, Bruyette & Woods *

Jim McDermott James Adelbert McDermott (born December 28, 1936) is an American politician and psychiatrist who was the U.S. representative for from 1989 to 2017. He is a member of the Democratic Party. The 7th District includes most of Seattle, Vashon Is ...

(born 1936), American politician *

John McDermott (disambiguation) John McDermott may refer to: *John McDermott (boxer) (born 1980), British boxer *John McDermott (English footballer) (born 1969), former Grimsby Town footballer *John McDermott (Gaelic footballer), former Meath Gaelic footballer * John McDermott (di ...

, several people **

John McDermott (golfer) John J. McDermott Jr. (August 12, 1891 – August 1, 1971) was the first U.S.-born golfer to win the U.S. Open, in 1911 and 1912, and he remains the youngest player to win the event, at age 19, as well as the second youngest to win any of golf's ...

, American golfer * Joseph McDermott (disambiguation), several people * Kathleen McDermott (born 1977), Scottish actress, singer, model, and make-up artist * Kevin McDermott (disambiguation), several people ** Kevin McDermott (singer–songwriter), Scottish singer-songwriter ** Kevin McDermott (American football), American football player * Lloyd McDermott, Australia's first indigenous barrister and rugby union player * Melissa McDermott, CBS news anchor and reporter * Michael McDermott (disambiguation), several people ** Michael McDermott, software engineer who carried out the 2000

Wakefield massacre On December 26, 2000, a mass shooting took place at Edgewater Technology in Wakefield, Massachusetts, United States. Michael Morgan McDermott, an application support employee, shot and killed all seven of his coworkers. It is the deadliest mass ...

* Michael McDermott (musician), Chicago singer-songwriter *

Mickey McDermott Maurice Joseph "Mickey" McDermott Jr. (April 29, 1929 – August 7, 2003) was an American left-handed pitcher in Major League Baseball. Pre-professional career Mickey McDermott was the third son of Maurice McDermott Sr., a police officer and fo ...

, baseball pitcher *

Mike McDermott (disambiguation) Mike McDermott may refer to: *Mike McDermott (athlete) (1893–1970), U.S. competitor in the 1912 Olympics *Mike McDermott (baseball) (1862–1943), American baseball player * Mike McDermott (character), a poker player played by Matt Damon in the 1 ...

, several people * Neale McDermott, football player * Neil McDermott (born 1980), British actor * Nicola McDermott (born 1996), Australian olympic highjumper * Nora McDermott (1927–2013), Canadian basketball and volleyball player, coach and physical education teacher * Patrick McDermott (disambiguation) * Paul McDermott, Australian comedian * Paul Francis McDermott (born 1965), Australian electro-pop musician, performs as Paul Mac *

Phelim McDermott Phelim McDermott (born 21 August 1963) is an English actor and stage director. He has directed plays and operas in Britain, Germany, Spain, the United States, and Australia. McDermott was a co-founder of the Improbable theatre in 1996. Career McDe ...

(born 1963), English actor and stage director * Robert McDermott (disambiguation), several people * Roe McDermott, Irish film critic, younger brother of Eoghan * Ted McDermott (Thomas McDermott) nicknamed

Songaminute Man Simon and Ted McDermott became famous together in 2016 when Simon McDermott supported his father Ted McDermott to produce songs under his artist's name Songaminute Man in 2016. Ted McDermott had been a professional singer in clubs and had been giv ...

, Vocalist and Entertainer, "The Songaminute Man" * Terry McDermott (disambiguation), several people ** Terry McDermott, football player * Thomas McDermott (disambiguation), several people * Tracey McDermott, acting chief executive of Britain's Financial Conduct Authority (FCA) * William Dermott Molloy McDermott, Roman Catholic bishop

MacDermott

* Ambrose MacDermott, Bishop of Elphin from 1707 to 1717 * Cormac MacDermott * G. H. MacDermott *

John MacDermott, Baron MacDermott John Clarke MacDermott, Baron MacDermott, , PC (NI) (12 April 1896 – 13 July 1979), was a Northern Irish politician and lawyer who was Lord Chief Justice of Northern Ireland from 1951 to 1971. Biography Born in 1896, MacDermott was educate ...

Mercia MacDermott Mercia MacDermott (; bg, Мерсия Макдермот; born 7 April 1927) is an English writer and historian. MacDermott is known for her books on Bulgarian history. Early life Mercia was born on 7 April 1927 in Plymouth, Devon, United K ...

(born 1927), English writer and historian *

Seán Mac Diarmada Seán Mac Diarmada (27 January 1883 – 12 May 1916), also known as Seán MacDermott, was an Irish republican political activist and revolutionary leader. He was one of the seven leaders of the Easter Rising of 1916, which he helped to organ ...

, Seán MacDermott

Places

* McDermott Field, a baseball stadium in Idaho that was replaced by Melaleuca Field * McDermott, Ohio, a census-designated place in western Rush Township, Scioto County, Ohio, United States.

References

External links

MacDermot Clan Association websiteMacDermot (No.1) family pedigree
by

John O'Hart John O'Hart (1824–1902) was an Irish genealogist. He was born in Crossmolina, County Mayo, Ireland. A committed Roman Catholic and Irish nationalist, O'Hart had originally planned to become a priest but instead spent two years as a police ...

McDermott DNA Project
{{DEFAULTSORT:Mac Diarmata Irish families Irish-language surnames MacDermot family Surnames of Irish origin Patronymic surnames Surnames from given names Gaels