Dory /do-ry/ [2 sylls.] as a girls' name (also used as boys' name Dory) is of French origin, and the meaning of Dory is  gilded .Short form of Dorothy and Isadora. Related girl names: Adora, Dora, Doria and Doris. Kreatif forms: Diry, Donry, Doryl.ory is an uncommonly occurring first name for women but a very prominent last name for all people (#27802 out of 150436, Top 18%). (2000 U.S. Census).