He was born in Gargan-Livry, near Paris on May 10, 1927. His father was an architect. He began painting at age fourteen, encouraged by his parents and enrolled in the Ecole des Beaux Arts in 1942. After attending the Ecole des Beaux-Arts, he followed the teachings of Yves Brayer for one year and Othon Friesz. He admired Utrillo and Soutine. His efforts and goals were geared toward unity and moderation, and after varying his techniques he tended to attach himself to the pictorial "matière" which he incorporated into his subjects. Above all, he wanted to stay human and has been defined as a painter of tragic reality.
Dauchot was admitted to the Salon d'Automne in 1944, when he was only eighteen years old. From then on, he participated in various salons and in the Ecole de Paris shows. He had his first one-man show at the Galerie Granoff in 1945, another at the Galerie Cardo in 1947. He also received the Prix de la Societe des Amateurs te Collectionneurs in 1951. Special exhibitions of his work were held in Los Angeles, New York, Geneva, Zurich, and Basel. In 1953, Edward G. Robinson sponsored a Dauchot exhibition at the Hatfield Gallery in Los Angeles. In his paintings Dauchot created a kind of "social fairlyland" in a spirited style.
He is represented in the Musee d' Art Modern in Paris and in several private collections.