Kerrigan

An attractive Irish surname that is currently used exclusively for girls in the US, likely due to the feminine associations with the first name Kerry and with skating champion Nancy Kerrigan.

Kerrigan is the Anglicized form of the surname Ó Ciaragáin, which ultimately derives from the given name Ciar, meaning "black."

Kerrigan is also given to boys, where it ranks #11379 in the US.

Pronounced KER-i-gun.

As of October 2026, Kerrigan ranked #11379 for boys and #4608 for girls in US births in 2025 SSA, peaked at #6278 for boys in 1996 and #1556 for girls in 1996.