Ó hAmhráin
Ó hAMHRÁIN—I—O Heveran, Haveron, Haveren, Havern, Havron, Haffron, Heffron, &c.; 'descendant of Amhrán' (diminutive of amhra, eminent, noble, prosperous); the name of a Co. Down family who were anciently chiefs of Dal Fiatach; still extant in East Ulster.
Alphabetical Index to Irish Surnames