John Marszalek

John Marszalek obituary, Chicago, IL

John Marszalek

John Marszalek Obituary

Obituary published on Legacy.com by Sullivan Family Funeral Homes & Cremation Service - Hinsdale on Sep. 21, 2025.

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John E. Marszalek, age 73; beloved husband of the late Dr. Therese Elizabeth Finn; cherished son of the late Edward and Virginia Marszalek; dear brother of James (Mary) Marszalek; adored uncle to Marissa Grossi (Steven), Nicole Obermeyer (Thomas) and Jacqueline Marszalek; dear son in-law, brother in-law and uncle of the James and Sally Finn family.

During his high school career at St. Phillip High School, John was one of the leading baseball hitters in the Chicago Catholic league. Graduating high school at just sixteen years of age, he continued his baseball career at Rollins College in Winter Park, Florida. John's stellar hitting career continued while at Rollins College and after graduating he turned to the law. While working as an attorney, he met his wife, Terry, and they married in 1985. John was an accomplished attorney and spent the majority of his career working alongside his brother at Marszalek & Marszalek, where he was a devoted advocate for the injured and took dozens of cases to verdict during his forty-nine year legal career. Outside of the courtroom, he was passionate about horseracing and some of the family's fondest memories with John include going to his box at Arlington Racetrack.

Visitation Thursday, September 25th at 10:00 AM until time of Funeral Mass 11:00 AM at St. Barnabas Catholic Church, 10134 S. Longwood Ave. Chicago.

Interment St. Casimir Cemetery, Chicago.

Arrangements by Sullivan Funeral Home Hinsdale, 630-323-0275 or www.sullivanfuneralhomehinsdale.com.

To plant trees in memory, please visit the Sympathy Store.

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September 24, 2025

Gratten White posted to the memorial.

September 23, 2025

LCM Capital Management posted to the memorial.

September 21, 2025

From the Staff of Sullivan Funeral Home posted to the memorial.

3 Entries

Gratten White

September 24, 2025

John as a great friend, team mate and Fraternity brother but most of a great guy who'd do anything for a friend. Sally and I offer our sincere condolences to his family. RIP

Faithful Blessings Bouquet - VASE INCLUDED

LCM Capital Management

Sent Sympathy Gifts including Flowers

From the Staff of Sullivan Funeral Home

September 21, 2025

Offering our deepest condolences during this difficult time.

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Sullivan Family Funeral Homes & Cremation Service - Hinsdale

60 South Grant Street, Hinsdale, IL 60521

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Sign John Marszalek's Guest Book

Not sure what to say?

September 24, 2025

Gratten White posted to the memorial.

September 23, 2025

LCM Capital Management posted to the memorial.

September 21, 2025

From the Staff of Sullivan Funeral Home posted to the memorial.