Dark-haired; descendant of Ciarán
Kerrigan is an anglicized form of the Irish surname Ó Ciaragáin. It is a diminutive of the name Ciar, which translates to 'black' or 'dark,' typically referring to hair or complexion.
Less common today
Kerrigan isn't in the latest US Top 1000. It last peaked at #1,564 in 1996.
Olympic silver medalist figure skater
The Queen of Blades, a central psychic character · StarCraft series
US births per 5-year period, 1990–present (SSA data).