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





SMI Vacation Bible
School 2018


June 18-22, 2018
9 am - 12 Noon

Click HERE for more info!
Registration is NOW Closed

Go to www.smip.org/vbs for more info. St. Mary Immaculate Vacation Bible School (VBS) is open to children 4 years & older, entering Pre-K  thru  5th grades: $32 for one child, $47 for two children & $62 per family. Adult and Student Volunteers (6th Grade and Up) are needed! Completed Registration Forms & Payments are due by Sunday, June 10, 2018. Please email Colette Majchrowski, VBS Director  HERE with questions.


Welcome Reception
for Fr. Mike McMahon


Please join us this weekend as we welcome our new Parochial Vicar, Fr. Mike McMahon!

Fr. Mike was recently ordained a new priest for the Diocese of Joliet just last month! His home parish is St. Bernards in Homer Glen and he has served as Deacon for the last year at Holy Family in Shorewood.

A cake reception will be held in the gym this weekend after the Saturday evening Masses on June 23rd and after all day time Masses on Sunday, June 24th. Please join us for cake and fellowship as we welcome Fr. Mike to St. Mary Immaculate Parish!

Year of the Eucharist
at St. Marys

We kicked off our Year of the Eucharist at St. Mary Immaculate called Summit on Corpus Christi, Sunday, June 3, 2018. The Eucharist is the Source & Summit of our Christian life and God calls us to take that Love which we receive and bring it to all people.

We will have many events during Summit at SMI including: Eucharistic Miracle Displays on Sept 22/23, Nov 17/18, March 9/10, April 27/28. Mass & a Movie on August 10. Project 177: An evening of Prayer & Worship on Sept. 27. Stay tuned to our website & bulletin for details!


High School Summer Retreat

All incoming 9th graders thru outgoing 12th graders are invited to join us our High School Youth Group for a weekend of fun, prayer, and a chance to get away from our crazy lives and grow in our relationship with Christ. July 6th-8th at Fox Valley Christian Action in St. Charles. Cost: $120* *No student will ever be turned away if they cannot afford the fee. Stop by the commons desk or contact Youth Minister, Dianne Rostollan, at drostollan@smip.org or 815-436-2651 ext. 814 or for more information.

RCIA Institute Workshop at SMI

July 13-14, 2018. Buy tickets HERE. Discover exactly how the Rite of Christian Initiation of Adults forms missionary disciples. Learn how to apply the core RCIA principles across all parish ministries. Acquire the skills to build an evangelizing parish. Know how to recruit and build a thriving RCIA team. Learn how to grow a pool of passionate and engaged sponsors COST: In-Diocese: $55; Individual/$100* per Parish (Diocese of Joliet Only); Out-Diocese Early Rate: $65 Individual / $125* per Parish; Out-Diocese After June 13th: $75 Individual. For more info including lodging info click HERE.

SMI Junk in the Trunk - Saturday, June 30

On Saturday, June 30 from 8 am to 1 pm you can sell your garage sale items out of the trunk of your car. You buy the space ($15), we provide the great Route 59 location and advertising! And you keep all your profits! Setup starts at 7 am. To reserve your space, contact Dianne Rostollan at drostollan@smip.org or by calling the parish office. Online registrations at smip.org/junk.  Spaces are $15 and go to support our High Schoolers traveling to Steubenville Youth Conference.














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.







Online Giving

Online Giving

Secure and Convenient Donate now!