Steven A. Kosthorst Obituary
Steven A. Kosthorst (Jamestown, New York) passed away on June 27, 2026. Steven, born on June 22, 1948, shared life alongside family, friends, and others. You can send your sympathy in the guestbook provided and share it with the family.
He was predeceased by: his parents, Anthony Kosthorst and Sonya Gustafson Kosthorst; his grandson Richard Doney; and his brother-in-law Steven Newark. He is survived by: his wife Vicki; his siblings, Sherri Ricottilli (Fran) and Mike Kosthorst; his children, Aimee Doney (Shane), Julie Franco, Amy Miklas (Todd), Dr. Hilary Seifert (Michael), Jillian Bloomquist (Jamie) and Christopher (Tina Clifford); his great grandchildren, Bentley, Paisley White, Kamden, Rhyan Hammond, Mila, Clay and Lucy Kruemcke; his nephew Andy Strong (Aleisa Rizzo); his niece Michelle Kosthorst; his cousins, Jim Kosthorst (Linda) and Jean Castle; and his brothers, Clark Poppleton (Julie) and Darrin Carlson (Tracie).
Donations may be directed to the Vikings IOV 65 Scholarship Fund at 215 North Main St. Jamestown, NY 14701 or to Chautauqua Hospice and Palliative Care, 20 W. Fairmount Ave., Lakewood, NY 14750.
