Killian
PatronymicMeaning
Descendant of Cillian, a name derived from the Irish word for church or cell.
Etymology
An anglicized form of the Irish patronymic Ó Cillín or Mac Cillín, derived from the personal name Cillian. The name comes from 'cill' meaning church or monastic cell.
About the Killian Surname
An Irish patronymic surname with ecclesiastical origins reflecting the importance of the Church in Irish society. The name has spread internationally through Irish emigration.
Distribution
Primarily found in Ireland and among Irish diaspora communities worldwide.
Notable Bearers
Val Kilmer, Tom Killian