No. There are no more lockers in French trains stations. They have been removed for fear of terrorism.
Storage Lockers in Gare de Lyon Yes, there are lockers. look for the sign CONSIGNE AUTOMATIQUE. Obviously, at a time of high security alert, they may be closed; but the left luggage offices at the mainline stations have x-ray machines these days, so even if the lockers are closed, you may have more luck at the office.
Gare de Caen was created in 1857.
There are 6, Gare du Nord, Gare de l'Est, Gare Saint-Lazare, Gare Montparnasse, Gare de Lyon, Gare d'Austerlitz and Gare de Bercy. Each station serves a different part of France.
Gare de Longueville was created in 1858.
Gare de Lens was created in 1927.
Gare de Nevers was created in 1850.
Gare de Nîmes was created in 1845.
Gare de Chepoix ended in 1945.
Gare de Chepoix was created in 1846.
Gare de Lisieux was created in 1855.
Gare de Grenoble was created in 1858.
Gare de Montdidier was created in 1883.