Kelly Name Meaning. Irish: Anglicized form of Gaelic Ó Ceallaigh 'descendant of Ceallach', an ancient Irish personal name, originally a byname meaning 'bright-headed', later understood as 'frequenting churches' (Irish ceall).
Origin of the name Kelly: Transferred use of the Irish surname meaning “war, strife†or the transferred use of English place-names derived from the Cornish celli (wood, grove). From A World of Baby Names by Teresa Norman.Buy the book.
kee-lyn, ke-el-yn ] The baby boy name Keelyn is also used as a girl name. The origin of Keelyn is Celtic. Keelyn is a variant of the name Keelan (English). See also the related category celtic. Keelyn is unusual as a baby name for boys.
