Save Type Surname (from given name) Usage Irish Pronounced Pron. SUL-i-vən [key·IPA] Meaning & History Anglicized form of the Irish name Ó Súileabháin meaning "descendant of Súileabhán". The name Súileabhán means "dark eye". Related NamesDetails VariantsÓ Súileabháin, O'Sullivan Categories anglicizations, Doctor Who companions, Heroes NBC characters