Ronald E. Coulter, age 87, of Theresa passed away on Monday, February 21, 2022 at his home.A memorial service for Ronald will be held on Saturday, March 5, 2022 at 3 p.m. at the Koepsell Funeral Home in Mayville with the Rev. Dr. Mark G. Cutler officiating. Visitation will be held from 12 noon until the time of the service at 3 p.m. at the funeral home. Inurnment will take place at Union Cemetery at a later date.Ronald was born the son of Ervin and Geraldine (Byrne) Coulter on May 23, 1934 in Milwaukee. He was united in marriage to Janet Giese on August 6, 1955 in Theresa. Ronald was a lifelong truck driver and owned and operated Coulter Trucking for over 26 years. He also won several ‘1-million-mile accident free awards’. In his spare time, Ronald enjoyed playing sheepshead with his family and watching sports, especially the Packers, Brewers, Bucks, and racing. He took great pride in his lawn and always had it looking just right! Ronald is survived by his children- Ed (Diane) Coulter of Horicon, Dennis ‘Gibby’ (Laurie) Coulter of Lomira, Gary (Chris) Coulter of LeRoy, Steve (Lisa) Coulter of Brownsville, Sandy (Mark) Herman of Lomira, and Sharee (Jim ‘Fritzy’) Fritz of Stockbridge. His 15 grandchildren and 9 great grandchildren. His brothers- Wayne (Patricia), Mike (Ellen), and Robert (Ginger). His sister- Teresa Vorpahl, and sister in law- Ilsa Coulter. Further survived by nieces, nephews, other relatives and friends.He was preceded in death by his parents, his wife Janet, his siblings Allen, Ervin Jr., Barbara, Patricia, Mary, and James and Susan in infancy. Special thanks to Patti and Debbie, his homecare nurses from Homecare-St. Agnes Fond du Lac for the wonderful care and support shown to Ronald and his family.