The Gettysburg Times December 12, 1938

John D. Heintzelman, 94, one of the last surviving Civil war veterans of Adams county, died this morning at 1:30 at his home in Cashtown from infirmities of age.
The deceased had been in very good health and was active about his home. Although confined to his home for the last three weeks, he was able to be about. He was a staunch republican and has cast his vote at the general election in November. As late as October he cut wood for use at his home.
He was a native of Adams county, a son of the late Daniel and Polly (Mickley) Heintzelman. Mr. Heintzelman taught school for about 12 years at Bigham’s and Rocky Grove schools.
He enlisted from Winchester county, New York, January 26, 1865, and was mustered into the service at Tarrytown, New York, to serve three years or until the end of the war, as a private in Company F, One Hundred and Twenty-First regiment, New York Volunteer infantry, under Commander Thomas J. Hassett and Colonels Emory Upton Franchot and Egbert Olcott.
On June 25, 1865, he was transferred as a private into Company A, Sixty-Fifth regiment, New York Volunteer infantry, in charge of Commander John F. Miller and Col. Henry Fisk. He was discharged July 17, 1865, at Hart’s island, New York, by reason of the close of the war.
Mr. Heintzelman did not attend the 75th anniversary celebration here last summer.
He was a charter member of the Cashtown Reformed church but at the time of death was a member of Zion Reformed church, Arendtsville. His wife, the former Miss Jane Melinda Rebert, died in August, 1929.
Surviving is a daughter, May at home.
Funeral services from the H. B Bender and son funeral home Wednesday afternoon at 2:00 conducted by his pastor, the Rev. Ernest W. Brindle. Interment in Flohr’s cemetery.