Keegan is an Anglicized form of the Irish surname Mac Aodhagáin, now widely adopted as a given name, predominantly masculine but increasingly unisex in North America. The name originates from the Gaelic personal name Aodhagán, a double diminutive of Aodh, meaning "fire." Thus, Keegan carries the sense of "descendant of little fire." This etymology connects Keegan to a rich Irish onomastic tradition: Aodh was borne by numerous figures in Irish mythology and several high kings, and was later Anglicized as Hugh. Etymology The name Keegan follows the common Irish pattern of surnames derived from clan names with the prefix Mac ("son of"). The root, Aodhagán, combines Aodh with a diminutive suffix, effectively meaning "little fire." Historically, the Mac Aodhagáin were a learned family in medieval Ireland, often serving as brehons (judges) or poets. The surname evolved through Anglicization into various forms, including Keegan and Kegan. Notable Bearers Keegan has gained popularity as a given name, particularly in English-speaking countries. Notable individuals include Keegan Bradley (born 1986), an American professional golfer who won the PGA Championship in 2011; Keegan Allen (born 1989), an American actor known for his role in Pretty Little Liars; Keegan Akin (born 1995), an American baseball pitcher; and Keegan DeWitt (born 1982), an American singer-songwriter. In sports, Keegan Brown (born 1992) is an English darts player, and Keegan Daniel (born 1985) is a South African rugby union player. Cultural Significance As an Anglicized surname-turned-first-name, Keegan illustrates the broader trend of Irish heritage names gaining international appeal. Its compound origin—a double diminutive—reflects a common Gaelic naming pattern of creating affectionate or descriptive variants. The connection to fire (through Aodh) lends the name a dynamic and spirited connotation, while its historical association with the learned Mac Aodhagáin family adds depth. Distribution and Variants Keegan is most commonly used in the United States, Canada, Australia, and New Zealand, often for boys but with a growing unisex application. The variant Kegan is also used but less common. The name ranks in the top 500 for boys in U.S. births. Quick Facts Meaning: "Descendant of little fire" (from Gaelic elements) Origin: Irish surname Mac Aodhagáin Type: From a clan name (macronym: son of) Usage: English (predominantly male; increasingly unisex)