Correspondence.

John Marsh was born June 5, 1799, in Massachusettts and came to California in 1836. He was a doctor. In 1839, he became owner of Rancho Los Medanos at the foot of Mt. Diablo near present-day Antioch, California. He lived a solitary existence, though taking some interest in politics and favoring California's incorporation into the United States. He was murdered September 24, 1856, on the road between his rancho and Martinez.

Please credit California State Library.

Unrestricted.