Fernand Guey was a pupil of Fernand Cormon, Jules Adler, Gustave Moreau and Leon Bonnat. He gained entrance to the Ecole Du Louvre in 1904. He exhibited at the Salon des Indépendants in Paris, winning a bronze medal in 1913. He was made a Chevalier of the Légion d'Honneur in 1929. Guey was the curator at the Musée des Beaux-Arts de Rouen between 1922 and 1950 and the curator at the Musée des Beaux-Arts de Quimper from 1908–1921.
He was also President of the Academie des arts de Rouen from 1931 until 1932.
Guey was appointed official Marine painter to the Sate of France in 1905.