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Founded in 1950

Trinity was founded by a dedicated group of parents in 1950. It was originally a school for children with developmental disabilities.

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6,800 Children & Adults

Trinity serves more than 6,800 children and adults who have intellectual and/or developmental disabilities or mental health needs.

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35 Communities

Trinity has a presence in 35 Illinois communities in Will, Cook, DuPage, Grundy, Madison, Peoria, Jackson and St. Clair counties.

Trinity Services is one of the largest social services organizations in Illinois, serving over 6,800 people with disabilities and mental health needs. 

In 2025, Trinity Services received the President's Award from The Council on Quality and Leadership, one of only two organizations to receive this prestigious honor.

Our new video, Making a Difference, highlights Trinity's rich history and wide range of essential services. 

To access this video, click Making a Difference.

Giving Tree 2025

Trinity's mission is to provide the highest quality, person-directed services and support to people with disabilities and mental health needs so they may flourish and lead full and abundant lives. 

Trinity Services is grateful for the ongoing support of our generous donors.  If you would like to donate to Trinity Services, go to Donate to Trinity Services

To learn more, contact Sherry Ladislas, Director of Development, at (815) 717-3750, or email Sherry at sladislas@trinityservices.org

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The Iron Throne - 28th Annual Tom O'Reilly Memorial Golf Classic

Oydssey Golf Club, 19110 S. Ridgeland Avenue, Tinley Park, IL

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Oydssey Golf Club, 19110 S. Ridgeland Avenue, Tinley Park, IL

icon user Sherry Ladislas

icon mail sladislas@trinityservices.org
icon phone 815-717-3750

Click here to register or sponsor this event.

Join Trinity Services for a day of spirited competition at our annual golf outing. Your registration fee includes a gift; socially distanced lunch stations; pop, beer and snacks on the course; a complimentary specialty drink and cigar on holes 5 and 16; and an awards ceremony.

 

  • 10:30 a.m.-Noon Registration
  • 11:00 a.m.-11:45 a.m. Box lunch
  • 12:15 p.m. Shotgun start
  • 5:00 p.m. Cocktails and Silent Auction
  • 6:00 p.m. Dinner and Awards

 

 

Our Generous Sponsors - Thank You So Much!

 

Auction Items Needed

Trinity Services would greatly appreciate donations of auction items such as liquor baskets, electronics, sports related memorabilia, or NFL, MLB, NHL, or NBA tickets.

Please submit items by Wednesday, May 4. Thank you for your generosity!