The Bangor Congregation of St. John’s Church was divided and a new parish was formed in 1872. Then, Rev. John W. Murphy was appointed pastor of St. Mary’s parish which was originally built on Cedar Street. While St. Mary’s was still in the early stages of construction; Father Murphy engaged the auditorium of Bangor City Hall as a place of worship. A temporary altar and seating were set up for mass once the church basement was complete. The cornerstone of St. Mary’s was laid in September by Reverend D.W. Bacon, Bishop of Portland. In 1880, Father Michael C. O’Brien succeeded Father Murphy. Fr. O'Brien built the rectory, installed the organ and built a school during his 21 years of Pastorate. Stained glass windows were installed and a bell
