It resulted from the 2006 merger of two older parishes, St. Catherine of Siena on Vine St. and St. Mary's on Warren and Winthrop.
Built between 1887 and 1893, its ornate interior boasts stained glass windows by Franz Mayer & Co. and a hammer-beam oak ceiling with angels, carved by Keely himself.
[1] The original Parish of St. Mary's was established by Bishop Benedict Joseph Fenwick on Old Rutherford Avenue in 1828.
[3] Om October 29, 1887 pastor John McMahon laid the cornerstone for the new St. Mary's on Warren St.
He was the younger brother of Bishop Lawrence Stephen McMahon of the Diocese of Hartford, who was at that time overseeing the completion of St. Joseph's Cathedral, designed by Patrick Keely.