 Sánchez Delgadillo was born in the town of Agualele, in the municipality of Zapopan, Jalisco, the son of Cristóbal Sánchez and Julia Delgadillo, on September 19, 1886.With a scholarship, he entered the seminary of the Archdiocese of Guadalajara and was later ordained a priest of the Archdiocese by Archbishop José de Jesús Ortíz y Rodríguez on August 20, 1911.Sánchez then served as a curate in various parishes of the Archdiocese, becoming known for his humility and his obedience to the pastors under whom he served.