Alphonse Glorieux

Alphonse Joseph Glorieux (February 1, 1844 – August 25, 1917) was a Belgian missionary Roman Catholic bishop, who served as the first bishop of Boise, Idaho, United States.

Glorieux was born on February 1, 1844 to a Belgian family in the municipality of Dottignies, in what is now the municipality of Mouscron, Hainaut, Belgium. As a young man, he entered the seminary, specifically The American College of the Immaculate Conception in Louvain, with intent to go to the American missions. He was ordained a priest on the August 17, 1867, and was sent to the United States.

Glorieux made his way west, and took a position as first president of St. Michael's College, a school for boys that opened in Portland, Oregon in 1871. On October 7, 1884, he was appointed vicar apostolic of the Idaho Territory, after an eight-year interregnum following the resignation of fellow Belgian Louis Aloysius Lootens as vicar apostolic. He was consecrated bishop on April 19, 1885 in the Cathedral of the Assumption in Baltimore, while attending the Third Council of Baltimore.