Gregg Scott Stilwell, age 74, of Oakville, Missouri, passed away on Wednesday evening, January 7, 2026, at his residence, surrounded by his family. He was born April 7, 1951, in St. Louis City, the son of the late Scott and Audrey Stilwell.

Gregg is survived by his wife of 36 years, Diane Stilwell (née Kirchhoefer); his sisters, Susan Rayfield (Don) and Dana Stilwell; his daughters, Sara Mullen (Pat) and Stephanie Mahley; and his beloved grandchildren, Gigi, Jack, Nash, Audrey, Maeve, and John. He is also survived by many nieces, nephews, and in-laws who loved him deeply, including his stepmother, Jackie Stilwell.

Gregg will be dearly missed by family and friends, including his Wacky Wednesday buddies and Osage Beach crew.

A Celebration of Gregg’s Life will be held on Saturday, January 10, 2026, from 1:00–4:00 p.m. at his favorite restaurant, Rizzo’s,4460 Lemay Ferry Road, St. Louis, MO 63129. In lieu of flowers, donations to Kelly Chase’s Puck Cancer Foundation are appreciated.

Gregg lived life fully, loved deeply, and never missed a chance to party. He will always be remembered for his quick wit, sense of humor, and the lasting friendships he cherished. M-I-Z!