When Pliny Hayes was born on 4 March 1756, in Hampden, Hampshire, Massachusetts Bay Colony, British Colonial America, his father, George Hayes III, was 28 and his mother, Hannah Stowe, was 24. He married Priscilla Whipple in 1776, in Russell, Hampden, Massachusetts, United States. They were the parents of at least 4 sons and 2 daughters. He lived in Salem Township, Luzerne, Pennsylvania, United States in 1800. He registered for military service in 1831. He died on 8 March 1841, in Richland Township, Cambria, Pennsylvania, United States, at the age of 85, and was buried in Dunmyer Cemetery, Salix, Adams Township, Cambria, Pennsylvania, United States.
The following was excerpted from his pension application that was sworn in Cambria County.
That he enlisted in the army of the United States in the year
1775 with Captain Henry in the Regiment of the Massachusetts
line, under the command of Colonel Brown — at the time of
his enlistment, he resided in Westfield town in the in the County of
Wooster and state of Massachusetts , at which place he enlisted. He
marched from there through Springfield and went to Rortsbury next.
He was stationed there for eight months, the term of his enlistment
and then was then at the time of the Battle of Bunker Hill and
saw the battle but was not engaged in the general battle
the expiration of his time of eight months, he was discharged by
his officers and Captain Henry suggested he____the certificate
thereof, but never did deliver it to him in the year 1776
he again enlisted for four months at the same place under
Captain Grey in Colonel Puttman’s regiment of the Massachusett’s
line and marched to Dorchester next and continued there
during his term, engaged repairing the forts. In the year 1777
he volunteered to go to Birmingham, went on and arrived
there immediately after the battle, and assisted to guard the prisoners
to Springfield in the same year he again volunteered and
went to Bemis’s heights, and was in the battle there. After
the battle he took ill and was unable to precede further. Then
went out as a volunteer both times about thirty days in
the whole.
Sources:
Family Search : Pliny Hayes (1756-1841) https://www.familysearch.org/en/tree/person/about/LKMH-LPF