St. Mary Immaculate Parish

  • Churches
15629 S. Route 59
Plainfield, IL 60544
(815) 436-2651
(815) 436-5017 (fax)
  • About

    St. Mary Immaculate Parish is located in Plainfield, IL in Will County. It is part of the Diocese of Joliet, under the direction of Bishop Daniel Conlon.

    We are 8,075 families strong with a multitude of ethnicities, ages and members. We are diverse, prayerful and subscribe to our mission ''One Family in Faith, Making Christ Known''.

    Parish Mission Statement:

    We are the parish community of St. Mary Immaculate, rooted in the scriptures and the Roman Catholic tradition in the Diocese of Joliet. We are a community blessed with a growing and diverse population. We are one family in faith that works to welcome, support and care for one another. Guided by the Holy Spirit, we seek to make Christ known in worship, hearing and sharing the faith of the Church, reception of the sacraments and living daily Christ?s call to love, service, compassion, generosity and justice.


  • Whom to Contact

    • Janice Gregoire
      Business Manager
      Phone: (815) 436-2651
    • Monica Harness
      Parish Secretary
      Phone: (815) 436-2651
      Fax: (815) 436-5017
    • Fr. David Medow
      Pastor
      Phone: (815) 436-2651
      Fax: (815) 436-5017