Gregory Loustaunau Obituary
With solemn reverence, we commemorate Gregory Loustaunau of Katonah, New York, whose life came to an end on February 5, 2026 at the age of 77, leaving behind cherished memories. Leave a sympathy message to the family in the guestbook on this memorial page of Gregory Loustaunau to show support.
He was predeceased by: his parents, John Julian and Leola Margaret Loustaunau (Reuter). He is survived by: his wife Mary Ann; his children, Jennifer Barker (Chad), Lea and Greg; his grandchildren, Jack and Madison Barker; and his siblings, Vivian Makmaltchi, Andrea Antico, John Loustaunau, Lawrence Loustaunau and Leigh Pfefferkorn. He is also survived by many nieces and nephews.
In lieu of flowers, memorial contributions may be made to the Wounded Warrior Project (https://support.woundedwarriorproject.org) in his memory.
