William Kennon Mayo (1824–1900) was an officer in the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

, most notably during the

Mexican–American War The Mexican–American War (Spanish language, Spanish: ''guerra de Estados Unidos-México, guerra mexicano-estadounidense''), also known in the United States as the Mexican War, and in Mexico as the United States intervention in Mexico, ...

and the

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

Biography

Mayo, a native of

Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...

, was appointed a

midshipman A midshipman is an officer of the lowest Military rank#Subordinate/student officer, rank in the Royal Navy, United States Navy, and many Commonwealth of Nations, Commonwealth navies. Commonwealth countries which use the rank include Royal Cana ...

in the U.S. Navy on October 18, 1841. He was first active in service during the Mexican–American War. Mayo was given charge of the boats of the landing party during the surrender of

Monterrey Monterrey (, , abbreviated as MtY) is the capital and largest city of the northeastern Mexican state of Nuevo León. It is the ninth-largest city and the second largest metropolitan area, after Greater Mexico City. Located at the foothills of th ...

. He also took part in the capture of

Tampico Tampico is a city and port in the southeastern part of the Mexican state of Tamaulipas. It is located on the north bank of the Pánuco River, about inland from the Gulf of Mexico, and directly north of the state of Veracruz. Tampico is the fif ...

and Vera Cruz. After the war, Mayo was attached to a number of ships. His duties included

surveying Surveying or land surveying is the technique, profession, art, and science of determining the land, terrestrial Plane (mathematics), two-dimensional or Three-dimensional space#In Euclidean geometry, three-dimensional positions of Point (geom ...

, other scientific work, and for a time, he was an instructor at the

U.S. Naval Academy The United States Naval Academy (USNA, Navy, or Annapolis) is a federal service academy in Annapolis, Maryland. It was established on 10 October 1845 during the tenure of George Bancroft as Secretary of the Navy. The Naval Academy is the sec ...

Annapolis Annapolis ( ) is the capital of the U.S. state of Maryland. It is the county seat of Anne Arundel County and its only incorporated city. Situated on the Chesapeake Bay at the mouth of the Severn River, south of Baltimore and about east o ...

. In 1855, Mayo received his commission as

lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a Junior officer, junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, Security agency, security services ...

. In January 1862, during the Civil War, he was appointed executive officer of the

corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the sloo ...

during the

Union blockade The Union blockade in the American Civil War was a naval strategy by the United States to prevent the Confederate States of America, Confederacy from trading. The blockade was proclaimed by President Abraham Lincoln in April 1861, and required ...

Charleston, South Carolina Charleston is the List of municipalities in South Carolina, most populous city in the U.S. state of South Carolina. The city lies just south of the geographical midpoint of South Carolina's coastline on Charleston Harbor, an inlet of the Atla ...

. In June 1862 Mayo was promoted to the rank of lieutenant commander. Five months after his advancement in rank, Mayo was given command of the gunboat . This vessel operated in the Western Gulf Squadron and was successful in capturing a number of small enemy vessels. In February 1864, Mayo was stationed in Washington, D.C., on special duty. He returned to Charleston to participate in the blockade of that city's harbor the same July. As commander of the

monitor Monitor or monitor may refer to: Places * Monitor, Alberta * Monitor, Indiana, town in the United States * Monitor, Kentucky * Monitor, Oregon, unincorporated community in the United States * Monitor, Washington * Monitor, Logan County, Wes ...

, Mayo won the commendation of the

Secretary of the Navy The Secretary of the Navy (SECNAV) is a statutory officer () and the head (chief executive officer) of the Department of the Navy, a military department within the United States Department of Defense. On March 25, 2025, John Phelan was confirm ...

for assisting the effectiveness of the naval blockade. After the capitulation of Charleston, Mayo became ordnance officer of the South Atlantic Blockading Squadron. Mayo stayed in the Navy following the end of the Civil War, and was assigned to various ships and posts. In 1886, he was made a commander. Afterwards, Mayo spent nearly three years on navigation duty in

Boston Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...

. Following this, he led a number of ships in station service. Mayo was commandant of the

Norfolk Naval Shipyard The Norfolk Naval Shipyard, often called the Norfolk Navy Yard and abbreviated as NNSY, is a U.S. Navy facility in Portsmouth, Virginia, for building, remodeling and repairing the Navy's ships. It is the oldest and largest industrial facility ...

from 1882 to 1885. He was promoted to the rank of

commodore Commodore may refer to: Ranks * Commodore (rank), a naval rank ** Commodore (Royal Navy), in the United Kingdom ** Commodore (India), in India ** Commodore (United States) ** Commodore (Canada) ** Commodore (Finland) ** Commodore (Germany) or ' ...

on July 2, 1882. He was retired upon his own application on May 18, 1886. Mayo died in Washington, D.C., in April 1900.

References

* {{DEFAULTSORT:Mayo, William Kennon 1824 births 1900 deaths Military personnel from Virginia United States Navy personnel of the Mexican–American War Union Navy officers

Biography

See also

References