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.
German, Dutch, and Jewish (Ashkenazic): nickname for a happy person or someone who liked to sing, or a metonymic occupational name for a bird catcher, from Middle High German, Middle Low German vogel ‘bird’. This name is found throughout central Europe, not only in German-speaking lands.