Leonard William Kostaszek Obituary

Leonard William Kostaszek, born on July 12, 1935 in Lachine, Québec, passed away on September 10, 2026. Leonard leaves behind family members and others who acknowledge this loss. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

Leonard leaves behind cherished memories for friends, family, and all who had the privilege of knowing him. Leonard’s life was marked by connections and experiences that touched those around him. Though he is no longer with us, the moments shared, the laughter, and the support he offered will continue to resonate. All who knew Leonard will carry forward his memory in their hearts.

He is survived by: his children, Heather, Karen and Christopher.

In lieu of flowers, the family requests that donations be made in Leonard's memory to the Canadian Cancer Society.