The Irish surname O'Kelley is of patronymic origin deriving from the Gaelic name O'Ceallaigh, meaning "strife" or "contention". The main O'Kelley clan belonged to Ui Maine (mid Galway and South Roscommon), and the reigning chieftain, O'Ceallaigh (circa 1351), was a renowned patron of the arts. The name is first recorded in the New World in 1894 when Thomas O'Kelley arrivd at Ellis Island, New York. Today there are approximately 2500 bearers of the name O'Kelley in the US.
FIND MY FAMILY CREST