Connect with
our Parish!


Click here for the
Parish Calendar


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)

10:30 am (Cana Hall)


7:30 am


2:00-4:00 pm (Church)
8:30-10:00 am 

4:00-5:15 pm (North Wing Room A)


10:00 am (Faith Sharing Room)

(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.


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





If you or your neighbors or friends have sustained damage or other problems from Monday's storm & EF-1 tornado, and there is some way we at St. Mary's might help, please contact us! Email or call 815-436-2651.




Alpha Signups
are Now Open


Alpha has arrived! Enjoy great food, laughter and learning about the teachings of Jesus in a welcoming
atmosphere! Be our guest as you explore questions about the existence 
of God and Jesus, the purpose of life, the value of prayer, what happens after death and more.

We will be offering a teen session, a Spanish session and several English adult sessions.

Click HERE to register
for a session!

We also need volunteers for the program as well. There will be an informational volunteer meeting on Sunday June 1 at 11:00am in the Stewardship Unity Room.

Contact Margaret Motto at or
815-436-2651 ext. 849
for more information.

Joliet Slammers Tickets On Sale Now

A Summertime Family Event with St. Mary’s Friends

SMI Parish & School are
sponsoring an “Evening at the Ball Field With Family and Friends.” Mark your calendars for Friday, July 18. The game starts at 7:05 p.m. against the Windy City Thunderbolts. 
Tickets are available in
the Commons for only $5.00 per person (half-price) for this exciting and fun night out. You can buy tickets after weekend Masses on June 21/22, June 28/29, or July 12/13, or during the week from the Commons receptionist after June 1st. 
We currently have 100
tickets available in a SMI section, first come, first served. We need “U” to help make it memorable! Join us and wear a red or blue shirt. For more info contact Cathy Cushing, 815-436-2651 ext. 861 or email

Catholics Returning Home Begins


Series begins
Monday, July 7

 Catholics Returning Home helps Catholics reconnect
with their faith, and their relationship with Christ.
There is no obligation or cost.

Catholics Returning Home is a:
-  Supportive, non-judgmental group where you can freely explore your concerns
and questions.

-  Small community including others thinking about
returning, recently returned
Catholics and clergy.

-  Safe haven in which private issues are identified and dealt with privately, with compassion.

Warm environment where you will be welcomed.

-  A 6 week series beginning Monday, July 7, from
7:30 p.m. to 9:00 p.m. in the North Wing Room A at St. Mary


New Diocesan Policy on Bringing the Eucharist to the Homebound

Our Bishop, Daniel Conlon, has called for a new policy regarding the procedure for individuals bringing the Eucharist to their homebound relatives or friends. We are eager to prepare our parishioners to understand and cooperate with this new diocesan-wide practice, which goes into effect on Corpus Christi Sunday, June 22, 2014.This new policy brings about a slight change for those lay people at Mass who come forward to receive a consecrated host to bring home for a homebound family member or friend...READ MORE

Register Now for the High School Summer Retreat

Attend the 2014 St. Mary Immaculate High School Summer Retreat at beautiful LaSalle Manor in Plano, IL from July 13 - 15. Incoming Freshmen to graduating Seniors can attend. Faith, fun, food and friends along with nature and the pool make this a great summer adventure! Registration forms are available at the Commons Desk. Cost is $160. Financial aid is available. Registration deadline is July 1. For more information or questions contact Ruth Campbell at or 815-436-2651 ext. 877.


Totus Tuus is coming July 20-25 - Register Now!

Save the Date for this exciting week-long summer catechetical program.  Totus Tuus is a diocesan youth program which strives to inspire in young people a true longing for holiness, a deep desire for daily conversion, and an openness to their vocation.  The students will be challenged to give themselves entirely to Christ through Mary and to continually strengthen their prayer lives in imitation of her.  A team of 4 seminarians and college students will bring their energy, enthusiasm, love for the faith and...READ MORE

2014-2015 SMI School Registration Open

Registration for the 2014-2015 School Year is now underway for all grades at St. Mary Immaculate Parish School. We offer an outstanding Catholic education in both faith and academics for children from Pre-School (age 3 by September 1, 2014) to Grade Eight. The school draws families from Plainfield, Shorewood, Joliet, Bolingbrook, Naperville and beyond. Families wishing to tour the school during the school day are asked to call for an appointment. Please direct all inquiries to Kris at 815-436-3953. Thank you for your interest in St. Mary Immaculate Parish School. For more info on School registration click HERE.