Sister Regina Siegfried, ASC, celebrated 65 years as a vowed member of the Adorers of the Blood of Christ on July 1, 2025, in the chapel of Benedictine Living Community at the Shrine of Our Lady of the Snows, Belleville, IL. She made her first profession on July 1, 1960, and her final vows on July 1, 1965. She marked her anniversary with the Eucharist and a reception with the ASC community.
Sister Regina was born in Prairie du Rocher, IL, to Max and Anna (Brown) Siegfried. She received her bachelor’s degree in English from St. Louis University in St. Louis, MO, in 1966, and her master’s, also in English from the University of Wisconsin in Madison, WI, in 1972. She earned a master’s in Christian Spirituality from Creighton University in Omaha, NE, in 1978, and her doctorate in American Studies from St. Louis University in 1982.
Sister Regina’s ministry included teaching and writing. Her early teaching was at Holy Rosary in Fort Dodge, Iowa, St. Jerome in St. Louis, and St. Augustine in Belleville, IL. Her high school experience took her to Gibault in Waterloo, and Assumption in East St. Louis, both in Illinois.
She served as a teacher in the after-school religion program for several area parishes in southern Illinois, when she was based in Cobden, IL. She also did part-time literacy work at Guardian Angel Settlement Association in St. Louis.
After earning her doctorate, she taught in higher education for over 30 years, including at St. Mary Seminary in Perryville, MO, Glennon College in St. Louis, Aquinas Institute of Theology in St. Louis, where she became an Adjunct Professor. She was part of the Formation Department at both Glennon and Aquinas. For 15 years she taught young religious who were part of the Intercongregational Novitiate, based in St. Louis. Later she was an Adjunct Professor of Theology at St. Louis University. She edited the periodical Spirituality Today and served as Associate Editor for Review for Religious. She has written articles for publication on a variety of topics.
Sister Regina authored “Missionaries More and More”: The History of the China Mission of the Adorers of the Blood of Christ, 1933-1945. She edited the poetry of Jessica Powers, a Carmelite nun in Wisconsin. She has also edited several sets of letters from early ASC pioneers and leaders of the ASC community in the United States. In addition, she authored the story of Sister Mary Catherine Girrens for the series of Profiles of former ASC leaders of distinction.
Sister Regina plays an active role in her neighborhood in central St. Louis. She is a vital part of St. Vincent Parish in downtown St. Louis where she coordinated the RCIA program for several years. On nights when dinners are served, she volunteers as one of the ‘sewing ladies’ for clients who come for the dinners. She also tutors immigrants in preparation for their citizenship test.