Gary Costanzo Obituary
We bid farewell to Gary Costanzo (Belleville, Illinois), whose journey of life gracefully concluded on April 6, 2026 at the age of 78. Gary touched countless lives with warmth and kindness, leaving behind cherished memories that will forever echo in hearts. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
In the echoes of fond remembrance, may a sense of peace be found, knowing that the memories held dear will continue to shape and inspire his loved ones, keeping Gary's spirit alive in the hearts and actions of family and friends alike. While his presence may be gone, his impact lives on in the kindness shown to others and the joy found in the ordinary moments of life.
He was predeceased by: his parents, Joseph C. Sr. and Margaret; his brother Joseph Costanzo, Jr.; and his brother-in-law Cletus Thouvenot. He is survived by: his sister Jeanette Thouvenot; his nephews, Brian Thouvenot (Mary) of Webster Groves, MO and Kevin Thouvenot (Tess) of Swansea, IL; and his niece Lori Thouvenot of Swansea, IL. He is also survived by great-nieces, great-nephews, and cousins.
