Website where this info cited below, In 1869, Mt. Hope Cemetery was established at the far-east end of what would become downtown’s market street. Dr. Seth Mallios: Some of San Diego’s most famous individuals are buried at Mt. Hope Cemetery. These include the city fathers, people like Alonzo Horton, who not only developed the downtown area, but set aside the land for Mt. Hope Cemetery itself. You have Nate Harrison, a freed black slave from the south who moved up to Palomar Mountain in the 1870s, and you even have Raymond Chandler, the author of the Philip Marlowe detective series. http://www.kpbs.org/news/2006/oct/30/secrets-of-san-diego-graves-revealed/