Other Forms of the Name with authority source (if provided) in italics:
Illaunmahona
Oileán Mhathghamhna
Illhauhamohona
Illhanhamahona John Burke, Esqr.
Illhanhamahoua Mr. O’Callaghan
Illhanhamahona Mr. Robt. Holland
Illhanhamahona Revd. Mr. Hulett
Illhanhamahoua The inhabitants