Antoine de la Mothe Cadillac
Upon his arrival in America, La Mothe adopted his title after the town of Cadillac, Gironde in southwestern France. The city of Detroit became the world center of automobile production in the 20th century. William H. Murphy and Henry M. Leland founded the Cadillac auto company and paid homage to him by using his name for their company and his armorial bearings as its logo in 1902. Various places bear his name in America, in particular Cadillac Mountain in Maine and the town of Cadillac, Michigan.
Cadillac
Cadillac was the first volume manufacturer of a fully enclosed car, in 1906. Cadillac participated in the 1908 interchangeability test in the United Kingdom, and was awarded the Dewar Trophy for the most important advancement of the year in the automobile industry. In 1912, Cadillac was the first automobile manufacturer to incorporate an electrical system enabling starting, ignition, and lighting.