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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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Around the World in 18 Holes - 25th Annual Tom O'Reilly Memorial Golf Classic

Tinley Park, Illinois

Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
Golf Classic 2018
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Tinley Park, Illinois
19110 Ridgeland Avenue

icon user Sherry Ladislas

icon mail sladislas@trinity-services.org
icon world http://www.trinitygolfclassic.com
icon phone 815-717-3750

Trinity Services’ 25th Annual Tom O’Reilly Memorial Golf Classic took golfers Around the World in 18 Holes.

Golfers gathered for a day of fun Thursday, May 17, at Odyssey Country Club in Tinley Park. The Golf Classic benefited Trinity Services’ mission to help people with disabilities and mental illness so that they may flourish and live full and abundant lives.

If you have any questions or would like more information about how to get involved with the Golf Classic or with Trinity Services, in general, please contact us at (815) 717-3750, or visit www.trinitygolfclassic.com.