Keenan is an Irish surname meaning 'ancient, distant' in the Irish language. It is derived from Ó Cianáin 'descendant of Cianán' (a diminutive of Cian). The Ó Cianáin clan were hereditary historians to the Mac Uidhir.
People named Keenan First name Keenan Allen, American football wide receiver Keenan Cornelius, American jiu-jitsu practitioner Keenan Clayton, American football linebacker Keenan Evans (born 1996), American basketball player Keenan Garber (born 2000), American football player Keenan Hollahan, pseudonym for advice columnist Keenan Johnson, Bahamian politician Keenan McCardell, former American football wide receiver Keenan O'Mailia, American murder victim Keenan Robinson, American football linebacker Kenan Thompson, American actor and comedian Keenen Ivory Wayans, American comedian, director and writer Keenan Wynn, American character actor
Last name Brian Keenan (Irish republican), Provisional IRA member Brian Keenan (musician born 1943), American musician Brian Keenan (writer), Irish journalist and hostage Brigid Keenan, British/Irish writer of best-selling memoirs "Diplomatic Baggage" Cathy Keenan, Canadian television actor Celia Keenan-Bolger, American stage actor and singer David Keenan, Scottish writer and musician Deborah Keenan, American poet and educator Don Keenan, Canadian ice hockey goaltender Donal Keenan, Irish Gaelic games administrator Edward L. Keenan, American historian of medieval Russia Emma Keenan, Canadian ice hockey player Frank Keenan, American stage and screen actor and director Frank Keenan (hurler) Irish hurling player Harold Keenan, English footballer Harry Keenan, American screen actor Helen Grace Scott Keenan, American journalist, OSS employee and Soviet spy Henry Francis Keenan, American journalist and author Jack Keenan (boxer) (1929–2009), Canadian boxer Joe Keenan (footballer), British footballer Joe Keenan (writer), American writer and playwright John Keenan (Medal of Honor), U.S. Army soldier John F. Keenan, American attorney and federal judge John R. Keennan (1940–2015), American baseball scout Joseph B. Keenan, chief prosecutor in the International Military Tribunal for the Far East Joseph Henry Keenan, American thermodynamicist Lillie Keenan (born 1996), American show jumping rider Luke A. Keenan (1872–1924), New York politician Maynard James Keenan, American singer of bands Tool, A Perfect Circle and Puscifer Michael Keenan (politician), Australian Minister of Justice Mike Keenan, Canadian ice hockey manager Nancy Keenan, American politician and pro-choice campaigner Nicolás Keenan, Argentine field hockey player Norbert Keenan, Australian politician Paddy Keenan, Irish uilleann piper
Pepper Keenan, American musician with Corrosion of Conformity Peter Keenan ("Crackers" Keenan), former Australian rules footballer Peter Keenan (boxer), Scottish boxer of the 1940s, and 1950s Philip Childs Keenan (1908–2000), American astronomer Phuwaryne Keenan (born 1988), Thai singer Roy Keenan (1930–2003), Canadian boxer Sinead Keenan, Irish actress Shy Keenan, British author, child sexual abuse survivor, and founder of Phoenix Survivors Sterling James Keenan, American pro wrestler Tamra Keenan, British singer Terry Keenan, American broadcast television business correspondent Tim Keenan III (born 2002), American football player Trish Keenan, English singer and composer Vernon Keenan, American law enforcement officer Fictional Gareth Keenan, character from UK television series The Office
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