Mezue ahịrịokwu na-esonụ: Na 1700s ndagwurugwu nke San Diego Country Estates dị nwetara aha ya mgbe Nna Mariner nke Mission San Diego de Alcalá chọpụtara ebe ahụ, na-akpọsa ya ndagwurugwu na-adịgide adịgide ma mara mma, ma kpọọ ya na nsọpụrụ nke Saint Vincent. Ka ndị Spen malitere ịchị ebe ahụ ma mesịa chịwa ya,
N'okpuru ikike Mexico, ala nke San Vicente Valley ghọrọ akụkụ nke onyinye ala Mexico a maara dị ka Rancho Cañada de San Vicente y Mesa del Padre Barona na 1846. N'okpuru onyinye ahụ, ndị ama ama dịka William Augustus Barnett na ezinụlọ, ndị Dukes, biri n'ógbè ahụ.