Son of Jonathan Warren and Mary (Hunt) Stow.
On 12 Jul 1861 Jonathan, a farmer, mustered into service with the 15th Massachusetts Volunteer Infantry as a Sergeant, being credited to the quota of Grafton, Worcester County, Massachusetts. He was 28 years, 11 months and 16 days old.
On 21 Oct 1861 Jonathan was taken prisoner at The Battle of Ball's Bluff, Leesburg, Virginia, and in Feb. 1862, he was included in a group of prisoners who were returned under a flag of truce
He was wounded and lost a leg on 17 Sep 1862 at The Battle of Antietam, Washington County, Maryland.
He died on 1 Oct 1862 at Antietam, Washington County, Maryland, of battle wounds and amputation. He was 30 years, 2 months and 5 days old.
On 17 Sep 1900 Sergt. Jonathan P. Stow was included on the 15th Massachusetts Civil War memorial at Antietam Battlefield, Sharpsburg, Maryland, as having died of his wounds received at the battle.
NOTE: The diary of Jonathan P. Stow is available at the Virginia Tech Library, Virginia, located in the "the Eldon "Josh" Billings Diary Collection." and quoted in "The Civil War Years; A day by day chronicle of the life of a nation," by Robert E. Denney; published by Sterling Publishing Co. of New York.