Keegan is a surname of Irish origin and derives from Mac Aodhagáin meaning "son (or descendant) of Aodhagán" (a diminutive of the Irish name Aodh). In the late 20th and early 21st centuries Keegan is more commonly being used as a first name. It is listed most often as a boy's name, but has gradually become unisex. Aodhagáin is another form of the name Aodh, meaning "fire". Many sources list the name meaning as small and fiery.
The surname may refer to:
In acting:
- Andrew Keegan (born 1979), American actor
- Michelle Keegan (born 1987), British actress
- Rose Keegan (born 1965), British actress
- Scarlett Keegan (born 1984), American model and actress
- Keegan de Lancie (born 1984), American actor, played Q2 or "Q Junior", in Star Trek: Voyager; son of actor John de Lancie (Star Trek: The Next Generation)
- Keegan-Michael Key (born 1971), American comedian (madTV)
- Keegan Connor Tracy (born 1971), Canadian actress (Final Destination 2)
In sports:
- Bob Keegan (1920–2001), American right-handed pitcher in Major League Baseball for the Chicago White Sox from 1953–1958
- Chad Keegan (born 1979), South African cricketer
- Ged Keegan (born 1955), English footballer
- Kevin Keegan (born 1951), English football manager and former player
- Paul Keegan (footballer) (born 1972), the first Irishman to play in Major League Soccer
- Rupert Keegan (born 1955), English racing driver
- Keegan Bradley (born 1986), American Golfer/2011 PGA Championship winner
In other fields:
- Dame Mary Keegan aka Elizabeth Mary Keegan, British civil servant
- Dame Geraldine Keegan, Northern Ireland educator
- Sir John Keegan (1934–2012), English military historian and author
- John C. Keegan (born 1952), American judge, retired military officer, and Arizona politician
- Lisa Graham Keegan, American education reform advocate, Arizona politician and political activist
- Morgan Keegan & Company, regional investment banking, securities brokerage, trust and asset management firm
- Victor Keegan (born 1940), British journalist and author focusing on economics and technology issues
- Claire Keegan (born 1968), Irish writer
- Keegan Gerhard, an award-winning pastry chef, and host of Food Network Challenge
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