The Building including Adoration Chapel and Offices are closed on Monday for Memorial Day. Adoration will resume on Tuesday after the 7:30 am morning mass.

Welcome to

St. Mary Immaculate Parish

A Roman Catholic Parish in the Diocese of Joliet

15629 S. Rt. 59, Plainfield, IL 60544     815.436.2651





Fr. David's Farewell
Cake Reception

Saturday, June 17
 & Sunday, June 18

Father David Medow will be leaving St. Mary Immaculate in June to become the pastor of Notre Dame Parish in Clarendon Hills, IL. In celebration of his 19 years of service to our parish of St. Mary Immaculate and to wish him well in his upcoming endeavors, we are having a cake reception in the Gym after both Saturday evening Masses on June 17 and all of the Masses on Sunday, June 18.  Please join us as we say farewell to Father David.


SMI Vacation
Bible School

June 19-23, 2017
Click HERE to Register

St. Mary Immaculate Vacation Bible School (VBS) is open to children 4 years & older, entering Pre‐K thru 5th grades: $30 for one child, $45 for two children, $60 per family. Adult and Student Volunteers (6th Grade & Up) are Needed! Check the volunteer forms for details. Completed registration forms & payments are due by May 28. You may also register in person at the Commons Desk. We hope you join us for this fun & faith‐filled week...Register HERE

Memorial Day Mass
at SMI Cemetary

Monday, May 29
Mass begins at 9:00 am 

All are invited to join us for morning mass on Memorial Day, Monday, May 29 at 9:00 am. Mass will take place at St. Mary Immaculate Cemetery on 14313 S. Naperville Road, Plainfield, IL. If there is inclement weather, Mass will take place at the Church at 9:00 am.

Everyone is invited to bring a lawn chair. Folding chairs will also be available. Our regular 7:30 am Mass will not take place that day.


Shop with Scrip!

SMI’s new way to fundraise while you shop has arrived! Purchase Gift Cards at face value for retailers that you already frequent. Over 700 Retailers to choose from! SMIP receives a rebate for every purchase. Order Online with ScripNow: Pick up physical gift cards at the parish office; Print a “card” for use like a physical card or for online purchases; Reload - Add funds to previously purchased and registered cards; Order and redeem from Apple and Android devices with MyScrip Wallet. Purchases can also be made in person in the parish office, Monday thru Friday, with cash or check. Go to to learn more. Sign Up in the Parish Office!


Filipino Mass and Fellowship Sunday, June 11 at 4:00 pm

St. Mary Immaculate Parish and the Parish Filipino Ministry cordially invite one and all to a Filipino Mass in Cana Hall. Our Presider will be Rev. Fr. Mario Quejadas. Fellowship and refreshments will follow at 5:00 p.m. in the Faith Sharing Room. The reception will be potluck style. Please make your donation checks payable to St. Mary Immaculate (tax deductible) Please mail to: St. Mary Immaculate Parish 15629 S. Rt.59 Plainfield IL 60544.

Practicing Your Path Workshop

Join Certified Spiritual Director, Laura Lies, on Wednesday, July 12 for the second of three Practicing Your Path Workshops as she leads us through a Meditation upon Saying Good-Bye and a guided imagery walk from John 14. Whether you are preparing to say good-bye to a person, place or a thing, may a meditation like this bless you. Register at
















Masses Times

4:00 pm
7:30 am
9:00 am
10:45 am
12:15 pm
6:00 pm (Contemporary Mass)

5:30 pm (Church)
12:15 pm (Cana Hall)

9:00 am (Cana Hall)


7:30 am


3:00-4:00 pm (Church)

(Or by appointment with the priests. To make an appointment contact the Parish Office at 815.436.2651)



Continuous exposition of the Most Blessed Sacrament from Sunday 7:00 pm through Friday 9:00 pm except on First Fridays when exposition continues overnight to Saturday 7:00 am.

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full Parish Calendar




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