Dalton G. Malmstrom, 18, of Owego, New York, unexpectedly passed away. Dalton was predeceased by his maternal grandfather, Reggie R. Brown; paternal grandparents, Bertel and Martha Malmstrom. He is survived by his mother, Misty Malmstrom and Steve Smith; Dalton's father, Marty Malstrom and his fiancée, Misty Troxel; his sister, Kaiah S. Malmstrom; his stepsisters, Kaelyn Troxel, Delaynie Smith; stepbrother, Gavin Troxel; his maternal grandmother, Carleen J. Hurd; his girlfriend, Alexis Schweikart; several aunts, uncles and cousins. Dalton graduated from Owego Apalachin High School, class of 2025. Funeral services will be held on Monday, May 18, 2026, at 10:00 a.m. at the Estey, Munroe & Fahey Funeral Home, 15 Park Street, Owego, NY. Burial will follow in the Broadway Cemetery, Owego, NY. The family will receive friends Sunday from 2:00 to 5:00 p.m. at the funeral home. In lieu of flowers, memorial contributions may be made in person to any Tioga State Bank Branch to the Dalton Malmstrom Memorial Fund.