Jean-Gabriel Domergue was born on March 4th 1889 in Bordeaux, France. He was a French painter specialising in portraits of Parisian women.
He studied at the École nationale supérieure des Beaux-Arts. In 1911, he was a winner of the Prix de Rome.

He also designed clothes for the couturier Paul Poiret. From 1955 until 1962 he was the curator of the Musée Jacquemart-André, organising exhibitions of the works of Van Gogh, Toulouse-Lautrec, Goya and others. Domergue was appointed a Chevalier of the Légion d'honneur. He died 16 November 1962 on a Paris sidewalk.