John J. “Jack” Koberstine, 91, of Oak Park, died on Oct. 11, 2019. Born on Jan. 16, 1928, he served in the U.S. Army during World War II. A graduate of Oak Park and River Forest High School, he earned his B.A. in Psychology from Loyola University. A financial planner for many years, he retired just a few years ago. For a long time, he also volunteered at the Frank Lloyd Wright Home & Studio in Oak Park. 

Jack Koberstine was the husband of the late Moira Patricia “Pat” Koberstine (nee Mulroy) who taught in the Forest Park school system for many years; the father of Jan Stephens and Andree (the late Rick) Barker; the grandfather of Mike Stephens and Jay Barker; the brother-in-law of Michael (Ann Magee) Mulroy; the uncle of Kevin (Joanie) Mulroy, Colleen (Andreas) Salomon, Courtney (Mike) Milewski, Connie (John) Vignone and Tom (Pam) Mulroy. 

Visitation will be held on Thursday, Oct. 17 from 4 to 7 p.m. at Oak Park’s Drechsler, Brown & Williams Funeral Home, 203 S. Marion St. A funeral Mass will be celebrated at Ascension Church, 801 S. East Ave., in Oak Park on Friday, Oct. 18 at 9:30 a.m., with interment at Forest Home Cemetery. 

In lieu of flowers, the family appreciates donations to the Frank Lloyd Wright Trust,

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