Parishes
Androscoggin County
- Immaculate Heart of Mary Parish
- Sacred Heart Church, Auburn
- Saint Philip's Church, Auburn
- Prince of Peace Parish
- Basilica of Saints Peter and Paul, Lewiston
- Holy Cross Church, Lewiston
- Holy Family Church, Lewiston
- Holy Trinity Church, Lisbon Falls
- Our Lady of the Rosary Church, Sabattus
Aroostook County
- Notre Dame du Mont Carmel Parish
- Saint David Church, Madawaska
- Saint Gerard-Mount Carmel Church, Grand Isle
- Saint Thomas Aquinas Church, Madawaska
- Our Lady of the Valley Parish
- Saint Agatha Church, Saint Agatha
- Saint Joseph Church, Sinclair
- Saint Luce Church, Frenchville
- Saint Michael Church, Birchpoint
- Parish of the Precious Blood
- Holy Rosary Church, Caribou
- Nativity of the Blessed Virgin Mary Church, Presque Isle
- Our Lady of the Lake Church, Portage
- Sacred Heart Church, Caribou
- Saint Catherine Church, Washburn
- Saint Denis Church, Fort Fairfield
- Saint Joseph Church, Mars Hill
- Saint Louis Church, Limestone
- Saint Mark Church, Ashland
- Saint Theresa Church, Stockholm
- Saint Agnes Parish
- Saint Paul Church, Patten
- Saint Benedict Parish
- Saint Benedict Church, Benedicta
- Saint John Vianney Parish
- Saint Charles Borromeo Church, Saint Francis
- Saint John Church, Saint John Plantation
- Saint Joseph Church, Wallagrass
- Saint Louis Church, Fort Kent
- Saint Mary Church, Eagle Lake
- Saint Mary of the Visitation Parish
- Saint Mary of the Visitation Church, Houlton
- Saint Peter Chanel Parish
Cumberland, Lincoln, and Sagadahoc Counties
- All Saints Parish
- Our Lady, Queen of Peace Church, Boothbay Harbor (Lincoln)
- Saint Ambrose Church, Richmond (Sagadahoc)
- Saint Charles Borromeo Church, Brunswick
- Saint John the Baptist Church, Brunswick
- Saint Katharine Drexel Church, Harpswell
- Saint Mary Church, Bath (Sagadahoc)
- Saint Patrick Church, Newcastle (Lincoln)
- Cathedral of the Immaculate Conception (Portland, Maine)
- Our Lady of Hope Parish
- Saint Joseph Church, Portland
- Saint Pius X Church, Portland
- Parish of the Holy Eucharist
- Sacred Heart/Saint Dominic Parish
- Sacred Heart Church, Portland
- Saint Anthony of Padua Parish
- Saint Christopher Parish
- Our Lady, Star of the Sea Church, Long Island
- Saint John Paul II Parish
- Holy Cross Church, South Portland
- Saint Bartholomew Church, Cape Elizabeth
- Saint Maximilian Kolbe Church, Scarborough
- Saint Joseph Parish
- Saint Louis Parish and Church, Portland
- Saint Peter Parish and Church, Portland
Franklin County
- Our Lady of the Lakes Parish
- Our Lady of the Lakes Church, Oquossoc
- Saint Luke Church, Rangeley
- Saint John Church, Stratton
- Bell Chapel, Sugarloaf Mountain, Carrabassett Valley
- Saint Joseph Parish and Church, Farmington
- Saint Rose of Lima Parish and Church, Jay
Hancock County
- Parish of the Transfiguration of the Lord
- Holy Redeemer Church, Bar Harbor
- Our Lady, Star of the Sea Church, Little Cranberry Island
- Saint Ignatius Church, Northeast Harbor
- Saint Peter Church, Manset
- Saint Joseph Parish (Ellsworth)
- Saint Joseph Church, Ellsworth
- Our Lady of the Lake Church, Dedham
- Saint Margaret Church, Winter Harbor
- Stella Maris Parish
- Our Lady of Holy Hope Church, Castine
- Saint Mary, Star of the Sea Church, Stonington
- Saint Vincent de Paul Church, Bucksport
Kennebec County
- Corpus Christi Parish
- Notre Dame Church, Waterville
- Saint Helena Church, Belgrade Lakes
- Saint John the Baptist Church, Winslow
- Saint Michael Parish
- Sacred Heart Church, Hallowell
- Saint Augustine Church, Augusta
- Saint Denis Church, Whitefield
- Saint Francis Xavier Church, Winthrop
- Saint Joseph Church, Gardiner
- Saint Mary of the Assumption Church, Augusta
Knox and Waldo Counties
- Saint Brendan the Navigator Parish
- Our Lady of Good Hope Church, Camden
- Saint Bernard Church, Rockland
- Saint Francis of Assisi Church, Belfast
- Saint Mary of the Isles Church, Islesboro
- Union Church, Vinalhaven
- Village Episcopal Church, North Haven
Oxford County
- Holy Savior Parish
- Saint Teresa of Calcutta Parish
- Our Lady of Ransom Church, Mechanic Falls
- Saint Catherine of Siena Church, Norway
- Saint Mary Church, Oxford
Penobscot County
- Christ, the Divine Mercy Parish
- Saint Martin of Tours Church, Millinocket
- Saint Peter Church, East Millinocket
- Our Lady of the Eucharist Parish
- Our Lady of the Snows Parish
- Saints Francis Xavier and Paul the Apostle Church, Milo
- Saint Anne Church, Dexter
- Saint Thomas Aquinas Church, Dover-Foxcroft
- Resurrection of the Lord Parish
- Holy Family Church, Old Town
- Our Lady of Wisdom Church, Orono
- Saint Ann Church, Bradley
- Saint Ann Church, Indian Island Reservation
- Saint Paul the Apostle Parish
- Saint Gabriel Church, Winterport
- Saint John Church, Bangor
- Saint Joseph Church, Brewer
- Saint Mary Church, Bangor
- Saint Matthew Church, Hampden
- Saint Teresa Church, Brewer
Piscataquis County
- Holy Family Parish
- Holy Family Church, Greenville
- Saint Joseph Church, Rockwood Township
- Saint Anthony of Padua Parish
- Saint Faustina Church, Jackman
Somerset County
- Christ the King Parish
- Saint Agnes Parish and Church, Pittsfield
Washington County
- Saint Kateri Tekakwitha Parish
- Immaculate Conception Church, Calais
- Saint Ann Church, Indian Township Reservation
- Saint James the Greater Church, Baileyville
- Saint John the Evangelist Church, Pembroke
- Saint Joseph Church, Eastport
- Saint Peter the Fisherman Parish
- Holy Name Church, Machias
- Sacred Heart Church, Lubec
- Saint Michael Church, Cherryfield
- Saint Timothy Church, Campobello Island (Canada)
York County
- Good Shepherd Parish
- Saint Brendan Chapel, Biddeford Pool
- Saint Joseph Church, Biddeford
- Saint Anne Chapel
- Saint Margaret Church, Old Orchard Beach
- Saint Philip Church, Lyman
- Most Holy Trinity Church, Saco
- Holy Spirit Parish
- Parish of the Ascension of the Lord
- Our Lady of the Angels Church, South Berwick
- Saint Christopher Church, York
- Saint Raphael Church, Kittery
- Star of the Sea Church, York Beach
- Saint Matthew Parish and Church, Limerick
- St. Thérèse of Lisieux Parish
- Holy Family Church, Sanford
- Notre Dame Church, Springvale
