Monastic Community Retreat St Gregory Abbey, Shawnee, Oklahoma Posted by Father Tom Boyer on May 21, 2016 Posted in: Retreats. May 22 to May 27, 2016 St Gregory Abbey, Shawnee, OK Posts navigation ← The Most Holy Trinity at Our Lady Of Lebanon Maronite Catholic Church in Norman, OK Maronite Third Sunday of Pentecost at Our Lady of Lebanon in Norman, OK →