John M. Brennan Obituary
It is with deep sorrow that we announce the death of John M. Brennan (Des Plaines, Illinois), who passed away on December 1, 2021, at the age of 85, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of John M. Brennan to show support.
He was predeceased by: his parents, Patrick Brennan and Della Brennan (Nee); and his siblings, Anne Marie Gavin (late Frank), Patrick Brennan (Margie), Edward Brennan (late Dorothy) and MaryJean Mitchell.
He is survived by: his wife Janice M. (Munch); his children, Christine Kozlowski (David), Lisa Ashworth, John Brennan and Joseph Brennan (Augustina); his grandchildren, Olivia, Alexander, Ethan, Gina, Gwen and Katie; and his brother Michael Brennan (Kate).
In lieu of flowers donations to the American Lung Association are appreciated.
