ST. CYR, John Mary Irenus, clergyman, born near Lyons, France, 2 January, 1804; died in Carondelet, Missouri, 21 February, 1883. He studied for the priesthood omd received the tonsure in Lyons, 5 June, 1830. Soon afterward he embarked as a missionary for the valley of the Mississippi, and was received into the vicariate of St. Louis. He was ordained in the cathedral of St. Louis, 6 April, 1833. He received his first appointment from Bishop Rosati, 17 April, 1833, who assigned him to Chicago, which was then a frontier post. After a journey of two weeks he arrived there, and in September, 1833, he secured the erection of the first church, and became the first resident priest. He remained in Chicago till 1837, when he went to Quincy, Illinois, and thence to Kaskaskia, Sainte Genevieve, and Carondelet, Missouri, where he died.