Little dark one or black-haired
Keiran is an Anglicized form of the Irish name Ciarán. It is derived from the Gaelic word 'ciar', meaning black or dark, combined with a diminutive suffix. Historically, it was often given to babies born with dark hair or a dark complexion.
About 16 boys were named Keiran in 2025.
US births per 5-year period, 1990–present (SSA data).
Irish Gaelic footballer
British actor
