Santa Ysabel Asistencia
…September 20, 1818, at Cañada de Santa Ysabel in the mountains east of San Diego (near the village of Elcuanan), as a asistencia or "sub-mission" to Mission San Diego de Alcalá, and to serve as a rest stop for those travelling between San Diego and Sonora. The native population of approximately 450 neophytes consisted of both…