Most Holy Trinity Parish is a Roman Catholic parish in northern Vermont. It is part of the Roman Catholic Diocese of Burlington. There are three churches in the parish all with regular weekend masses: St. John Vianney in Irasburg, St. Theresa of the Child Jesus in Orleans, and the Conversion of St. Paul in Barton. A fourth church: St. John of the Cross in East Albany, is currently closed for regular Masses, but special services are held on occasion. Trinity Parish is currently being served by Fr. Timothy Naples (Pastor) and Fr. Roger Charbonneau.
Trinity Parish is part of a priest-sharing cooperation with the Tri-Parish Community of Troy, North Troy, and Lowell with Fr. Naples and Fr. Charbonneau also being the primary celebrants for St. Ignatius Church in Lowell, St. Vincent de Paul Church in North Troy, and the Sacred Heart of Jesus Church in Troy.