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





Family & Friends
Night at Slammers

Friday, July 21 
Game Start 7:05 pm

St. Mary Immaculate Parish is sponsoring an “Evening at the Ball Field with Family and Friends”. There’s plenty of free parking close to the stadium, lots of tasty “Ball Park” food at family friendly prices and fireworks after the game. Tickets are now available in the Commons for only $5 per person (half-price) for this fun and exciting night out! Join us and wear a red or blue shirt to show your SMI pride. For more info, contact Laura Van Ham at 815-436-2651, x887 or lvanham@smip.org.


RE & Confirmation
Mentors Needed

Still Need to Register
for classes? Register HERE

Have you ever thought about being a RE Catechist or Confirmation Mentor? The Religious Ed and Confirmation departments are still looking for energetic, faith-filled adults to pass on their faith to our children and teens. This is a wonderful way to share your love of the Lord with others. RE is looking for teachers for Grades 1 & 2 and Special Ed. Confirmation still needs mentors for 7th & 8th grade. If you are interested please call the Religious Education office at 815-436-4501.

Theology on Tap
Speaker Series

FIAT Young Adult Ministry Hosts Theology on Tap at Fox’s Restaurant and Pub. Join us Thursday evenings in July from 7:00-8:30 pm at Fox’s Restaurant and Pub (14206 Rt. 30, Plainfield, IL 60544 )

Speaker Line Up
7/6 Deacon Ryan Adorjan “Unquenchable Me: On Human Desire and Fulfillment”

7/13 Melissa Novak “Lost in Translation?: Unlocking the Secret of the 5 Love Languages”

7/20 Moises and Sarah Barraza “And...READ MORE 


Helping Hearts and Hands

Have you ever thought of volunteering your time but are afraid to because the commitment might be more that you want? Well here is your opportunity to get your hands dirty one day a month for two or three hours. Helping Hearts and Hands is a group of St Mary’s parishioners that help primarily our senior population or anyone that needs help accomplishing household tasks. These tasks include mowing, trimming, raking, weeding, mulching, painting, power washing, window washing and light duty household repairs. Many projects can be family friendly. Interested? Contact Paul King at 815-735-2911 or paul@northweststeel.com.   

SMI Offers $1,000 off of Tuition to Transfer Students

St. Mary’s is pleased to offer a Tuition Transfer Grant to any parishioner who transfers their child into Grades K-7 from any private*, public, charter or home school. This grant will be applied to offset the current school tuition. St. Mary’s rigorous curriculum exceeds state and diocesan standards and our students consistently perform in the top of their high school classes. Our new state of the art STEM lab and 1:1 program sets our school apart from many others. With our smaller class sizes and many extracurricular activities, your...READ MORE


Register Today for SMI School

St. Mary Immaculate Parish School registration for the 2017-2018 school year is now open.  As a school, we are proud of the high quality educational experience, staff, and faith based education that we provide.  Not only is our curriculum challenging, and staff progressive, but the St. Mary's community is an incredible group to get involved and active with. We provide an Outstanding Catholic Education in both faith and academics for students age 3-8th grade.  Our early childhood programs (Pre-School and Pre-Kindergarten) have both a full-day and half-day option.  Free bus service is available for those who live in the Plainfield District 202 boundaries...LEARN MORE
















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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