Anglicization of the Irish name Dorean. It may also be a derivative of Dora with the addition of the productive suffix -een, representing an Irish pet form. It peaked in popularity in the first half of the 20th century but has since fallen from favour.
French: habitational name from any of many places so named, from a religious dedication to a St. Albinus. In some cases the prefix St may have been an iron attachment to the family name. St. Aubin is a secondary surname associated with the French primary names Aubin, Benjamin, Lafrance, and others.