Rev. Stephen M. Koeth, C.S.C., is Assistant Professor in the Department of History, Faculty Co-Director of the Church Properties Initiative, and priest-in-residence in Stanford Hall. Born and raised in Staten Island, New York, Father Koeth earned both a B.A. in History (’99) and an M.Div. (’06) from Notre Dame and was ordained a Holy Cross priest in 2007. After several years of parish ministry in Portland, Oregon, Father Koeth completed an M.A. in History at The Catholic University of America (’12) and in 2020 was awarded a Ph.D. in History from Columbia University.

Father Koeth's scholarship and teaching focus on twentieth-century religious, political, and urban history. His current book project, Crabgrass Catholicism: How Suburbanization Transformed Faith and Politics in Postwar Long Island, is under contract with The University of Chicago Press’ Historical Studies of Urban America Series. Based on his doctoral dissertation, which received the American Catholic Historical Association's 2019 John Tracy Ellis Dissertation Award and Columbia University's 2020 Bancroft Dissertation Award, it examines the creation and expansion of the Diocese of Rockville Centre in suburban Long Island. Father Koeth's scholarship has been published in the Journal of Church and State, U.S. Catholic Historian, and American Catholic Studies and his commentary has appeared in The Washington Post, The Washington Times, and on BBC Radio 4's Sunday.