Dennis Sheehan, born on December 24, 1939, sadly passed away on October 8, 2025. A dedicated family man and esteemed member of the community, Dennis left an indelible mark on all those fortunate enough to know him. His memory will be cherished and carried forward by all who were lucky enough to be part of his life.
Dennis is survived by his devoted wife, Donna Sheehan. His first wife, Joanna Sheehan, predeceased him. He will be dearly remembered by his siblings: Margaret Sheehan, Patricia Vanderpot, Joseph Sheehan, and Barbara Miranda.
His children and stepchildren, Wendy Jordan, Patrick Sheehan, Dennis Sheehan, Jr, Dina Schmidt, and Pamela Brumley will always hold dear the values and wisdom he instilled in them. Dennis was also the proud grandfather to Michelle Houseman, Brandon Sheehan, Nicole Jordan, Courtney Brumley, Alex Dunk, Ryan Sheehan, Theodore Brumley, and Daniel Schmidt. Also, proud great grandfather to Mia-Violet Houser.
Dennis was predeceased by his parents, Patrick and Charlotte Sheehan. His loss will be profoundly felt by all of his extended family, friends, and acquaintances.
Dennis was a dedicated member of the Sacred Heart Church and a long-time volunteer at the Civil Air Patrol, where he reached the rank of Major. He was fondly known for his love of South Dakota and Del Mar Beach, his interest in Veteran's Affairs, and his affection for the Chicago Bears. Dennis will be remembered for his unique taste in old country western music and TV shows like Blue Bloods, Chicago PD, and Chicago Fire.
His favorite dishes, BLT’s and steak, will always bring back memories of cherished family meals. Above everything else, it was Dennis' warm, smart, and caring nature that stood out. His life motto "Do no harm. Be kind. Support your family" was aptly reflected in all his actions.
His contributions to the space program and the Aerospace industry were remarkable. One of his proudest achievements was raising and educating his grandson and aiding his granddaughter to graduate from high school. His legacy of being admired and respected will live on in the hearts of all who knew him.
A Memorial Visitation will be held on Saturday, November 1, 2025, from 10 am to 1 pm at Humes Funeral Home, 320 W. Lake St., Addison. (2 Mi. W. of Rt. 83, 2 Mi. E. of Rt. 53).
In lieu of flowers, donations can be made to the Wounded Warriors Project.
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