The meaning of the name Gable is God Is Bright. The origin of the name Gable is German. This is the culture in which the name originated, or in the case of a word, the language.
Most likely a derivative of the German name Goebel/G?bel which means "God" and "bright." Could also be German/Jewish (Ashkenazic) occupational name for a maker and seller of forks, from the German Gabel, meaning "fork."