Guillaume-Marie-Joseph Labouré

Born in Achiet-le-Petit, he studied at Saint-Sulpice Seminary in Paris and was ordained to the priesthood on September 23, 1865. In the Diocese of Arras, he served as a professor and superior of its minor seminary and also vicar general.

On March 27, 1885, he was appointed Bishop of Le Mans by Pope Leo XIII. He received his episcopal consecration on the following May 31 from Archbishop Guillaume Meignan, with Bishops Clovis Catteau and Désire Donnel serving as co-consecrators. He was promoted to the Archdiocese of Rennes on June 15, 1893, and named an Assistant at the Pontifical Throne on June 26, 1896.

Leo XIII created him Cardinal Priest of S. Maria Nuova e S. Francesca in Foro Romano in the consistory of April 19, 1897. He participated in the papal conclave of 1903, which elected Pope Pius X.

He died in Rennes and was buried in the cathedral there.

• Catholic-Hierarchy ^{[self-published]}
• Cardinals of the Holy Roman Church