May 122009
Founded on 29 July 1953 by Pope Blessed Pius IX. Suffragan of the archdiocese of Boston, Massachusetts. Notable bishops include
- Archbishop John Gregory Murray
- Archbishop Peter Leo Gerety
- Archbishop William Henry O’Connell
- Bishop Amédée Wilfrid Proulx
- Bishop Daniel Joseph Feeney
- Bishop David William Bacon
- Bishop Denis Mary Bradley
- Bishop Edward Cornelius O’Leary
- Bishop James Augustine Healy
- Bishop Joseph Edward McCarthy
- Bishop Joseph John Gerry
- Bishop Louis Sebastian Walsh
- Bishop Michael Richard Cote
- Bishop Richard Joseph Malone
See also