There is a wealth of genealogical material contained in church records.
The following is a list of Roman Catholic churches in the state that are active as of 2024.
Each is a link to the website of the church from which you can obtain contact information and perhaps a section on its history.
Contact the church rectory to ascertain what documents they possess, if they are accessible for research and, if accessible, the protocol by which they can be searched.

Name of the Church, Town
Christ the King, Ludlow
Divine Mercy, Three Rivers
Holy Trinity, Lowell
Holy Trinity, Westfield
Immaculate Conception, Indian Orchard (Polish Saturday school)
Our Lady of Czestochowa, Boston (Polish Saturday school)
Our Lady of Czestochowa, Turners Falls
Our Lady of Czestochowa, Worcester (Polish Saturday school)
Our Lady of Fall River, Fall River
St. Andrew Bobola, Dudley
St. Anthony of Padua, Chicopee
St. John Paul II Parish, Southbridge (formerly St. Hedwig)
St. John Paul II Shrine of the Divine Mercy, Salem (formerly St. John the Baptist)
St. Joseph, Webster (Polish Saturday school)
St. Mary, Ware
St. Stanislaus, Chicopee
St. Stanislaus, West Warren