Léon Vanier was a bookseller, editor and publisher. He was married.
In the 1870s Vanier worked as a bookseller at first 6 Hautefeuille, then 1 Pont de Lodi and then at 1 Quai St Riche. He was active as publisher between 1882 and 1908, during which period he published the works of Jean Moreas, Stuart Merrill, Jules Romains and Verlaine. His business premises were located at 19 Quai St Michel. His home address was 4 rue St Florentin (1er).
Bodleian Library Catalogue.