Career
Born in Sant Sadurní d"Anoia (San Saturnino) in Catalonia, Spain, Yorba was one of Fages" original Catalan volunteers. He became a corporal under Gaspar de Portolà during the Spanish expedition of 1769. He was in San Francisco in 1777.
Monterey in 1782.
And in San Diego in 1789. In 1797 he was retired as inválido sergeant. And in 1810 was grantee of In 1810, José Antonio Yorba was awarded by the Spanish Empire the 63,414-acre (25663 km2) land grant.
Covering some 15 Spanish leagues, Yorba"s land comprised a significant portion of today"s Orange County including where the cities of Olive, Orange, Villa Park, Santa Ana, Tustin, Costa Mesa and Newport Beach stand today.
Upon his death in 1825 he was buried at his request in an unmarked grave in the cemetery at Mission San Juan Capistrano. A cenotaph was later placed in Yorba"s honor.