Jean M. Kostecki Obituary
The passing of Jean M. Kostecki (Tonawanda, New York) leaves a void in the hearts of many, as we bid farewell to a loving soul who departed on June 4, 2025 at the age of 104. Leave a sympathy message to the family in the guestbook on this memorial page of Jean M. Kostecki to show support.
She was predeceased by: her husband Frank Kostecki; and her siblings, Fred Leonard (late Freida), Helen Kasprzak (late Henry) and Robert Leonard (late Frances). She is survived by: her daughters, Michelle Kostecki and Donna Kusmierski (Brian); her grandchildren, Erin Kusmierski (James Nau), Nicholas Kusmierski (Kristen) and Danielle Hastings (Colin); and her great grandchildren, Jack, Sophie, Carter, Reagan, Hadley, Perry, Finley, Tucker, Hudson and Grace.
In lieu of flowers, memorials may be made to St. Luke's Mission of Mercy or the SPCA Serving Erie County.
