After World War I, he moved to St Malo (Ille et Vilaine, France).
A writer, he won the Prix Goncourt in 1912 with his novel Les filles de la pluie, describing the daily life in Ouessant Island.
His other books include: André Savignon was a Chevalier de la Légion d'Honneur.
Working as a reporter for various newspapers, he continued to visit England regularly.
He is buried in the Rosais cemetery on banks of the La Rance river in St Servan sur Mer (Ille et Vilaine, France).