Miguel del Barco (Casas de Millán, 1706– Bologna, 1790) was a Jesuit missionary in Baja California, Mexico and wrote major contributions to the peninsula's history and ethnography. Del Barco was born at Casas de Millán in Cáceres, Extremadura, Spain and earned a degree at the University of Salamanca. He entered the Jesuit novitiate in Castile in 1728 and journeyed to the New World in 1735. In Baja California, he was sent briefly to the mission of San José del Cabo among the Pericú in 1737, before going to serve for more than three decades (1737–1768) among the Cochimí at San Javier. He oversaw the construction of the outstanding stone church at San Javier and served as visitador, the highest administrative office for the California missions, in 1750–1754 and 1761–1763. When the Jesuits wer