Save Type Surname (from given name) Usage Irish Pronounced Pron. KAWN-ə-lee [key] Meaning & History Anglicized form of Irish Ó Conghalaigh, which means "descendant of Conghalach". Conghalach is a nickname meaning "valiant". DetailsRelated Names VariantsConnelly, Ó Conghalaigh Categories anglicizations, courage, nicknames, virtues Entry updated May 31, 2018 ·