Submitted NameRevisions Save Type Surname (from given name) Usage Irish, English Edit Status Status [show contributorshide contributors] Added 5/31/2020 by LionB3 Edited 5/31/2020 by LionB3 Meaning & History Anglicized form of the Old Gaelic "O' Cadhla" meaning "son of Cadhla". Cadhla means meaning graceful or beautiful; hence, "descendant(s) of 'the graceful one'".