Cover photo for Joan M. (Long)  Posthumus's Obituary
Joan M. (Long)  Posthumus Profile Photo
1932 Joan 2023

Joan M. (Long) Posthumus

August 26, 1932 — February 1, 2023


Joan Marie Posthumus died Wednesday, February 1, 2023, at her home. She was born August 26, 1932, in Marshall, MI the daughter of the late Howard W. and Lucene M. (Eipper) Long. In 1969, Joan joined Marshall Community Credit Union and shortly thereafter became manager, working until her retirement in 2000. On December 30, 1976, Joan married George Posthumus who preceded her in death on December 3, 2021. Joan is survived by her children, Stephen Obenour and Linda “Lin” Dzurny, and granddaughters, Kimberly and Kara. Visitation will be held 2-4PM Tuesday, February 7, 2023, at Langeland Family Funeral Homes Burial & Cremation Services, 411 E Centre Ave, Portage, MI 49002. Private graveside services will be held in Portage South Cemetery. Memorials may be directed to St. Jude Children’s Research Hospital. To view Joan’s personalized web page, please visit

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Service Schedule

Past Services


Tuesday, February 7, 2023

2:00 - 4:00 pm (Eastern time)

E. Centre Avenue, Portage

East Centre Avenue, Portage, MI 49002

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