How did the Cadillac get its name?

The Cadillac automobile was named after Le Sieur Antoine de la Mothe Cadillac, a Frenchman who founded Detroit in 1701. The Cadillac name was given by Henry Martyn Leland, the founder of the automobile company. The Cadillac Automobile Company originated from a precision machine company created by Leland and his partner Robert Faulconer.