Our welcoming Christian community of St. Irenaeus Parish inspired by the words of our patron - "Humankind fully alive is God truly glorified" - journeys together to bring the love of Christ to all in our parish family through worship, faith formation, social justice, and loving service while reaching out to the broader community.


Public Liturgy: Sundays at 9:30am


St. Irenaeus is open for public liturgy on Sundays at 9:30am; doors open at 9:00am. Attendance is limited to 50 individuals; each person must register separately (including children). NO WALK-INS ALLOWED.

Register online by clicking the SignUpGenius Button below; you should receive a confirmation email right away. If you do not receive this confirmation your registration did not go through. If you have problems registering online you can call the office at 708-748-6891 or send an email to stirenaeus@archchicago.org.


Registration is open from NOON Monday through NOON Friday for the following Sunday.


Thanksgiving Day Mass

Registration for the 9:30am Thanksgiving Day Mass, on Thursday, November 26, 2020, is open until Noon on Tuesday, November 24, 2020. Register at the SignUpGenius link below.


Sign Up!

Mass on Sundays and holidays  will be streamed online at 9:30am on the Parish YouTube channel (https://www.youtube.com/c/SaintIreneaus).


Thanksgiving Day Mass - Thursday November 26, 2020 - 9:30am


First Sunday of Advent Mass - Sunday November 29, 2020 - 9:30am





Enter at the main church entrance on the corner of Indianwood Blvd and South Orchard Drive

  • Everyone MUST wear a mask at all times and observe Social Distancing requirements.
  • Everyone will enter at the handicapped ramp. At the door, a Greeter will take your temperature and direct you to check in at the Registration table. ALL parishioners must be pre-registered. NO EXCEPTIONS. 
  • After you are checked in, you will receive hand sanitizer from another Greeter. 
  • Next, wait in the line, at the designated places marked with blue tape;  an usher will walk you to your seat. Per Archdiocesan guidelines, parishioners will be seated from the front of the church to the rear. You may not be able to sit in your usual place. 
  • Everyone is to remain in their designated pew; should a restroom emergency arise, please signal an Usher who will guide you to the rest room and then back to your pew. A parent must accompany any child to the restroom.
  • If you need to leave church before mass is over reentry will not be allowed.


  • Leave your seat only when directed by usher or greeter.
  • Maintain six feet social distancing in the Communion line – look for marks with the blue tape on the floor.
  • Sanitize your hands using the sanitizer from the usher. After sanitizing do not touch any surfaces.
  • Approach the priest only after directed by an usher or the priest. DO NOT remove your face covering
  • Extend a single hand to receive the Host.
  • After moving six feet to the right or left, remove your mask and consume the Host.
  • Replace your face covering or mask.
  • Follow directions from usher to return to your pew

When Mass is Over

  • Ushers will direct parishioners to leave the church from the back to the front
  • Do not leave your pew until directed by an usher
  • Do not congregate inside the church when mass is over
  • Everyone must exit through the doors at the main church entrance on the corner of Indianwood Blvd and South Orchard Drive

Questions? Contact the Parish at:

  • 708-748-6891
  • stirenaeus@archchicago.org

Parishioner Reopening Guide

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Sunday June 21, 2020 - Black Lives Matter Homily

Click here to download Fr. Terry's June 21st Homily



  • Online at GiveCentral - https://www.givecentral.org/location/410
  • Checks may be mailed or dropped off at the Parish office at the following address: 
    St Irenaeus Church
    78 Cherry Street
    Park Forest, Illinois 60466

Protecting God's Children (VIRTUS) 

St. Irenaeus was scheduled to host a session of Protecting God’s Children (VIRTUS) Training on Sunday, March 22, 2020, from Noon until 3:00pm. Due to the Coronvavirus (COVID-19) outbreak, this live session has been canceled.

In lieu of this live meeting, participants may register for the online format of the training. Pre-registered participants were sent an email directly from Virtus with this updated information. 

For questions about the course or assistance in registering for the training, contact the session facilitator, Karen Hoogland, via email at irenaeus78@gmail.com. 


Why We Love St Irenaeus

Many of our parishioners shared why they love St Irenaeus. Click play to learn why!


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We live stream Sunday Liturgies at 9:30am on YouTube.

Click here to view on our YouTube Channel


Daily Masses are available on our YouTube Channel at 8:00am each morning.

Act of Spiritual Communion



Saturday: 5:00pm
Sunday: 8:30am & 10:30am
Weekdays: 8:00am
Confession: Before Sat. Mass

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