Harold Henry Dettmer

Harold Henry Dettmer, 76, of Spearman, formerly of Ft. Plain, NY, more recently of Spearman, TX, was born May 19, 1949, passed away suddenly December 3, 2025.Harold was born in Bellefonte, PA and was a graduate of Canajorharie Central Schools. He spent his life devoted to his faith and his family. Harold spent most of his life as a dairy farmer in Fort Plain, NY, volunteering with the South Minden Fire Department in his spare time. After moving to Spearman, he was employed with the City of Spearman until his retirement. On May 1, 1971, Harold married Joann Dermott in Rockwood, NY.  She was the love of his life, and they spent over 54 years together. Harold's life was anchored in his unwavering faith, and cherished every moment with his family.  He especially loved watching and talking (sometimes arguing) sports with them. He stood by his family, always ready to lend a hand and guide them with his love and strength. He is survived by his wife Joann; sons, Harold Dettmer II, and wife Heidi, James Dettmer, and Steven and wife Chris Dettmer, all of Spearman; his daughters, Tina and husband Emmanuel Miranda of Austin, TX; and Diana and husband Peter Callen of New York. He is also survived by his 17 grandchildren and 5 great-grandchildren. 

A Celebration of Life will be held at 11:00 a.m. on Saturday, December 6, 2025 at the Union Church in Spearman with Rev. Mark Murray officiating.  Cremation arrangements are under the direction of Boxwell Brothers Funeral Home of Spearman.In lieu of flowers, the family suggests memorials be to Cal Farley's Boys Ranch.