Background
O’Leary, Thomas M. was born on August 16, 1875 in Dover, New Hampshire, United States. Son of Michael and Margaret (Howland) O’L.
O’Leary, Thomas M. was born on August 16, 1875 in Dover, New Hampshire, United States. Son of Michael and Margaret (Howland) O’L.
Graduate public; student Mungret College, Limerick, Ireland, 3 years Graduate Grand Seminary, Montreal, Canada
Ordained priest Roman Catholic Church, at Montreal, 1897. Assistant pastor Saint Ann’s Church, Manchester, New Hampshire (U.S.), 1898-1899, Saint John's Church, Concord, 1899-1904. Served as administrator of the parish for 4 months after death of Vicar General John East. Barry, and assisted in administration for 3 years.
Served as chancellor and secretary to Bishop J. B. Delancy.
Made vicar general and permanent rector of Saint John's, Concord, New Hampshire (U.S.) Consecrated bishop of Springfield, September 8, 1921.