Save Type Surname (from given name) Usage Irish Pronounced Pron. KEE-gən(English) [key·IPA] Meaning & HistoryExpand Links From Irish Mac Aodhagáin meaning "descendant of Aodhagán". The given name Aodhagán is a double diminutive of Aodh. Related NamesDetails VariantMac AodhagáinOther Languages & CulturesHughes, MacKay, Magee, McCoy, McGee, McKay, McKee(Scottish) MacAoidh(Scottish Gaelic) Categories fire