Kammala jumla mai zuwa: A cikin 1700s kwarin da San Diego Country Estates yake ya sami sunansa lokacin da Uba Mariner na Ofishin Jakadancin San Diego de Alcalá ya gano wurin, yana shelar shi kwari ne mai kyau da kyau, kuma ya sa masa suna don girmama Saint Vincent. Kamar yadda yankin ya zama mulkin mallaka ta Mutanen Espanya kuma daga baya ya fadi a karkashin
Ƙasar Mexico, ƙasar San Vicente Valley ta zama wani ɓangare na kyautar ƙasar Mexico da aka sani da Rancho Cañada de San Vicente y Mesa del Padre Barona a 1846. A karkashin kyautar manyan mutane kamar William Augustus Barnett da iyalai, Dukes, sun zauna a yankin.