Western Vicariate – Deanery 5
The parishes of Franklin County, southern Warren County, and parishes of St. Louis County that are generally (with some exceptions) west of I-270, south of I-64 and north of I-44
Dean: Very Reverend Monsignor Patrick Hambrough, V.F.
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Parishes:
- Ascension (Chesterfield)
- Assumption (New Haven)
- Christ, Prince of Peace (Manchester)
- Holy Family (Port Hudson)
- Holy Infant (Ballwin)
- Holy Martyrs of Japan, Church of the (Japan)
- Immaculate Conception (Augusta)
- Immaculate Conception (Union)
- Incarnate Word (Chesterfield)
- Most Sacred Heart (Eureka)
- Our Lady of Lourdes (Washington)
- St. Alban Roe (Wildwood)
- St. Andrew Kim (Chesterfield)
- St. Ann (Clover Bottom)
- St. Anselm (Creve Coeur)
- St. Anthony (Sullivan)
- St. Bridget of Kildare (Pacific)
- St. Clare (St. Clair)
- St. Clare of Assisi (Ellisville)
- St. Francis Borgia (Washington)
- St. Gertrude (Krakow)
- St. Ignatius Loyola (Concord Hill)
- St. James (Catawissa)
- St. John the Baptist (Gildehaus)
- St. Joseph (Manchester)
- St. Joseph (Neier)
- St. Mary of Perpetual Help (Moselle)
- St. Vincent de Paul (Dutzow)
Western Vicariate – Deanery 6
The parishes of St. Charles County (excluding Augusta), Lincoln County and Northern Warren County
Dean: Very Reverend Nicholas Kastenholz, J.C.L., V.F.
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Parishes:
- All Saints (St. Peters)
- Assumption (O'Fallon)
- Holy Rosary (Warrenton)
- Immaculate Conception (Dardenne Prairie)
- Immaculate Conception (Old Monroe)
- Immaculate Heart of Mary (New Melle)
- Sacred Heart (Elsberry)
- Sacred Heart (Troy)
- San Juan DIego (O'Fallon)
- St. Alphonsus (Millwood)
- St. Charles Borromeo (St. Charles)
- St. Cletus (St. Charles)
- St. Elizabeth Ann Seton (St. Charles)
- St. Gianna (Wentzville)
- St. Joseph (Cottleville)
- St. Joseph (Josephville)
- St. Mary (Hawk Point)
- St. Patrick (Wentzville)
- St. Paul (St. Paul)
- St. Peter (St. Charles)
- St. Theodore (Flint Hill)
- Sts. Joachim and Ann (St. Charles)