Meaning: Its source is Cian, an Irish Gaelic name meaning "Ancient."

Alternative Spellings: Keenen and Kienan

Source Forms: Cian

Popularity: The name Keenan ranked 564th in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 1021st in popularity for males of all ages in a sample of the 1990 US Census.

Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.