Lester L. “Trey” O’Harver III, 33, of Bonne Terre died Feb. 17, 2026, at his home. Mr. O’Harver worked as a diesel mechanic at Thomas Industrial. Born April 22, 1992, in Crystal City, he was the son of Heidi M. Myers of Bonne Terre and Lester “Lee” (Sandra LeVall) O’Harver Jr. of De Soto.
In addition to his parents and stepmother, he is survived by his wife: Courtney L. (Greenlee) O’Harver; three children: Trinity O’Harver, Sophia O’Harver and Trenton O’Harver; three siblings: Brendan Kelam of Pevely, Caselynne (Danny) Powers of Cadet and Taylor O’Harver of Cadet; a stepsister: Jennifer (Billy Hickman) Govro of De Soto; a grandfather: Lester O’Harver Sr. of Lake Hanna; and a grandmother: Jean Fischer of Bonne Terre.
He was preceded in death by a sister: Makayla Kelam; a grandmother: Thelma O’Harver; and a grandfather: Rick Myers.
Visitation is scheduled from 5-8 p.m. Saturday, Feb. 21, at Dietrich-Mothershead Funeral Home, 220 N. Main St., in De Soto. A funeral service is scheduled for 1 p.m. Sunday, Feb. 22, at the funeral home, officiated by Mike Krampf. Interment will be in Moore’s Chapel Cemetery in Marquand. Arrangements are under the direction of Dietrich-Mothershead Funeral Home.