Founded 1855, the American-Cassinese Congregation is a Catholic association of Benedictine monasteries.
The Congregation includes 25 monasteries; 19 are autonomous monasteries and 6 are dependent priories. Our monasteries are located in 15 of the United States, Puerto Rico, Brazil, Canada, Colombia, Mexico and Taiwan.
Abbot Boniface Wimmer OSB, founder of Saint Vincent Archabbey in Latrobe, Pennsylvania, created the Congregation. Pope Pius IX erected it as a monastic congregation under the patronage of the Holy Guardian Angels.
Our monasteries follow the
Rule
written by Saint Benedict of
Please email us at webmaster@amcass.org about the website with any questions, comments, suggestions, or edits.
Upcoming Events
Benedictine Formators' Workshop
June 1-5, 2026The Benedictine formators will gather on June 1-5, 2026 at St. Gregory's Abbey in Shawnee, OK for a workshop: “Forming Gen Z: Opportunities and Challenges in the Formation of a Diverse Generation.” Keynote speakers include Dr. Crystal Taylor-Dietz, Psy. D., Fr. Samuel Hakeem, O.P. and Anthony Coker. Fr. Peter Shults, O.S.B. is coordinating this workshop; Email: . The schedule and registration are available as a PDF. All those working in formation ministry are welcome!