Ygnacio_Martinez
Ygnacio Martínez
Californio soldier and politician
Ygnacio Nicanor Martínez (1774–1848) was a Californio politician, soldier, and ranchero, who served as the fourth Alcalde of San Francisco (then known as Yerba Buena). He was an important figure in the development of Contra Costa and the city of Martinez, California is named after him.[1]