DETROIT, ARCHDIOCESE of. — In the State of Michigan in the United States of America. Its territory of approx. 13,800 sq km comprises the counties of Lapeer, Lenawee, Macomb, Monroe, Oakland, St. Clair, Washtenaw, and Wayne, in southeastern Michigan, and it has as suffragans the dioceses of the same state, namely: Gran Rapids, Marquette, Lansing, and Saginaw. In 1948, out of a population of more than 3,113,503 inhabitants, the archdiocese had approximately 900,000 Catholics, under the direction of 563 diocesan priests and 281 religious priests, with 226 parishes, 60 chapels, 16 missions, 2 diocesan seminaries, one university, 5 colleges, 63 high schools, and 164 parish schools.
Christianity was introduced into Michigan as early as 1642 through the work of Jesuit missionaries from Canada. In 1671 the first chapel for whites was built at S. Ignazio; in 1688, after France had officially taken possession of it, Fort S. Giuseppe was built at D., where in 1700

Indeed, he was the first and only priest elected as a member of Congress (for Michigan in 1823). Meanwhile, however, D. had passed in 1822 from the diocese of Bardstown (Louisville) to the new diocese of Cincinnati, until on 8 March 1833 it was established as a suffragan diocese of Baltimore for the entire territory of Michigan. The first bishop was Msgr. Federico Rese. Subsequently, the dioceses of Milwaukee (1844), Sault Ste-Marie and Marquette (1857), Grand Rapids (1882), Lansing (1937), Marquette (1937), and Saginaw (1938) were formed from D. On 22 May 1937, D. was elevated to a metropolitan see.
The archdiocese currently has a large number of Polish parishes and several Italian ones.