The Irish surname Connor is of patronymic origin being the anglicized version of the Gaelic surname Ó Conchubhair. The name Ó Conchubhair is derived from first name Conchubhar, meaning” lover of hounds.” There are six different septs (clans) of the family in Ireland. A notable bearer of the name Connor or a variant is Sandra Day O'Connor the US Supreme Court Justice.