Very Reverend Don Jose de Guadalupe Trevino was a native of Mexico. He was ordained to the
priesthood in 1914 and taught at the Grand Seminary of Morelia, Michoacan, where he became prefect. He received the religious habit in the Congregation of Missionaries of the Holy Ghost in 1918. In 1944, he was elected vicar-general. He authored several books, including La Eucaristia (The Holy Eucharist).