Ygnacio Martínez
Ygnacio Martínez (1774–1848), was an important figure in the development of Contra Costa County, California.
Life
Ygnacio Martínez was born in Mexico City, Mexico, and was a soldier in Alta California by 1822. In 1827, as a lieutenant stationed at the Presidio of San Francisco, Martínez met with the American explorer Jedediah Smith and helped to facilitate the continuation of Smith's northward travels toward the Columbia River.
Martínez was the fourth Alcalde of Yerba Buena (now San Francisco) in 1837. In 1842, he was granted the Rancho El Pinole, which included the Alhambra Valley.[1] A part of the rancho later became the city of Martinez.
Family
Martínez married Martina Arellanes and had at least seven children, six daughters and one son. One of the daughters married William A. Richardson. Ygnacio Martínez died in June, 1848, in San Jose, and is buried at Mission San Jose Cemetery in Fremont, California.[2]