[1] While a subdeacon in Lyons, he accepted an invitation from Bishop Claude Marie Dubuis to serve as a missionary in the Diocese of Galveston in the U.S. state of Texas.
[1] With about fifty other seminarians, he sailed for New Orleans in 1863 but was initially refused admittance to the port by General Benjamin Butler, who suspected the group were allies of the Confederacy.
[1] He was afterward named pastor of Sacred Heart Church in Hallettsville, where he remained for thirty-two years.
[2] He received his episcopal consecration on the following October 28 from Archbishop Francis Janssens, with Bishops Edward Fitzgerald and Nicolaus Aloysius Gallagher serving as co-consecrators, in the Cathedral of San Fernando.
[1] Due to his declining health, he received John William Shaw from the Diocese of Mobile as a coadjutor bishop in 1910.