Mark Hart, age 71, a resident of rural Portland, passed away on Saturday, September 20, 2025 at his home following a courageous battle with Parkinsons.

Mark was born October 20, 1953, in Celina, Ohio, the son of the late George and Anne Marie (Quinter) Hart. He graduated from Ft. Recovery High School in 1971. Mark worked for New Idea in Coldwater, Cooper Farms in Ft. Recovery, Keller Farms and Schwieterman Farms.     

Mark was also a self-employed farmer where he farmed and raised Turkeys in Madison Township. He enjoyed helping others by volunteering at the Neurological Center in Burkettsville, Ohio. Mark was a member of Immaculate Conception Church in Portland and Wendelin Sports Club.

Mark married Delores McElroy on November 28, 1974.

Survivors include his son Thomas Hart (wife Danielle) - Salamonia, Indiana; 3 grandchildren: Gabrielle Hart (Fiancé Travis Slack), Isaiah Hart (Fiancé Kelsey Simmons) and Jacob Hart (Taryn Vukadinovich); 3 great grandchildren: Autumn, Dawson and Sutton; his siblings: Dale Hart (wife Kathy) - Celina, Ohio, Paul Hart (wife Joyce) - Coldwater, Ohio, Larry Hart (wife Missy) - Ft. Recovery, Ohio, Harold Hart (wife Beth) - Ft. Recovery, Ohio, Doris Grieshop (husband Bill) - Yorkshire, Ohio, Marlene Nash (husband Robert) - Ridgeville, Indiana and Eileen Wendel (husband Dave) - Ft. Recovery, Ohio; sisters-in-law: Kathy Hart, Deborah McElroy and Bonnie Baker; and brothers-in-law: Robert McElroy and George McElroy.

He was preceded in death by a brother, Carl Hart; and brother-in-law, Bill McElroy and sister-in-law Cindy Morris.

Visitation will be held on Thursday from 4-8 p.m. at Williamson-Spencer and Penrod Funeral Home in Portland. A scripture service will be held at 8 p.m. on Thursday at the funeral home. Visitation will also be held on Friday from 10 a.m. - 10:45 a.m. at the funeral home.

A Mass of Christian Burial will be held at 11 a.m. on Friday at Immaculate Conception Catholic Church in Portland. Private burial will be held at a later date.

Memorials may be directed towards Stillwater Hospice, Lolek Boxing Class (specializing in neurologic rehab for those with Parkinson's) or Parkinson Foundation.

Online condolences may be sent to www.williamsonspencer.com.