Keith H. “Sonny” Coulter, 81, Hermann, passed away Friday, Dec. 26, 2025, in Hermann.
He was born Dec.19, 1944, to the late Harvey G. and Fama O. (Dilthey) Coulter in Hermann.
He was united in marriage to Margaret Heberle Aug. 7, 1965, at St. George Church.
Keith worked as a truck driver for Tri-County Trucking for many years.
He was preceded in death by parents, Harvey and Fama; and sister, Phyllis Kotthoff.
Keith is survived by wife Margaret; daughter, Kate Schannuth and husband Craig of Hermann; son, Steve Coulter and wife Julie of New Haven; six grandchildren; two great-granddaughters; and sister, Caroll Scheidegger of Hermann.
Visitation will be held from 8:30 to 11 a.m., Friday, Jan. 2, followed by funeral services at St. George Church in Hermann. Interment will be in the St. George Cemetery.
Memorial contributions suggested to St. George School and Hermann Area Volunteer Fire Dept.
Arrangements entrusted to Toedtmann & Grosse Funeral Home in Hermann.
