| Birth | 1745 | Cumberland County, Pennsylvania | | | |
| Residence | 1762 | where he staked a tomahawk claim - Derry, Westmoreland County, Pennsylvania | | | |
| Residence | 1768 | Letterkenney Township, Cumberland County, Pennsylvania | | | |
| Miscellaneous | 13 May 1768 | applied to purchase 100 acres - Lurgan Township, Franklin County, Pennsylvania | | | |
| Miscellaneous | 20 May 1768 | was warrantee of 50 acres that was surveyed - Cumberland County, Pennsylvania | | | |
| Marriage | Abt 1768 | Hannah Graham | | | |
| Miscellaneous | 3 Apr 1769 | purchased 207 acres and 151 perches of land called Pumroys Plains - Derry, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 3 Apr 1769 | owned land that was situated on the Conemaugh River and adjoined his father's - Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 3 Apr 1769 | applied to purchase 300 acres on a branch of the Conemaugh River joining his father and other's land - Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 7 Jun 1769 | had the 207 acres & 151 perches surveyed called Pumroys Plains - Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 21 Mar 1771 | father conveyed by deed to John 323 3/4 acres in Conemaugh - Conemaugh, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | Abt 1773 | was a pioneer of this township later Derry & was a Colonel and a fort builder - Armstrong Township, Westmoreland County, Pennsylvania | | | |
| Residence | 1773 | and was on the tax return roll for 3 lbs - Armstrong Township, Bedford County, Pennsylvania | | | |
| Miscellaneous | 6 Apr 1773 | was appointed a supervisor - Armstrong Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 5 Oct 1773 | was named in his father's will as Col - Letterkenney Township, Cumberland County, Pennsylvania | | | |
| Miscellaneous | Aft 1773 | was a justice - Hannastown, Westmoreland County, Pennsylvania | | | |
| Residence | Bef 1775 | Westmoreland County, Pennsylvania | | | |
| Military | 10 Jun 1777 | was a Lieutenant Colonel in the 1st Batallion PA - Westmoreland County, Pennsylvania | | | |
| Military | Abt 1777 | was popularly known as "the Indian Killer" - Westmoreland County, Pennsylvania | | | |
| Military | 31 Oct 1777 | took command of Fort Ligonier and was ranked as a Lt. Colonel - Westmoreland County, Pennsylvania | | | |
| Military | 1778 | was active in the attack on Fort Wallace - Pennsylvania | | | |
| Military | 1780 | was a Lieutenant Colonel in the 1st Battalion PA commanding frontier rangers until - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | Bef 1781 | he built a strong house which became known as Fort Pomroy - Derry, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | Abt Apr 1781 | his home was attacked by Indians and a hired hand was killed, other settlers came to his aid - Derry, Westmoreland County, Pennsylvania | | | |
| Military | May 1782 | served as Lieutenant Colonel of the Militia First Battalion with 61 men under him for 2 months - Westmoreland County, Pennsylvania | | | |
| Military | 30 May 1782 | submitted a report of the militia on duty at various stations - Westmoreland County, Pennsylvania | | | |
| Residence | 1783 | and owned 600 acres, 2 horses, 1 cow and 2 sheep - Derry Township, Westmoreland County, Pennsylvania | | | |
| Military | 11 Jan 1785 | was granted pay of £26.1.10 for his service in the Militia in May & June of 1782 - Pennsylvania | | | |
| Miscellaneous | 1785 | was one of commissioners to locate a county seat - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 1786 | paid a state tax of 6 pounds 6 shillings - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 28 Mar 1786 | applied for a warrant for 300 acres possibly on the Conemaugh River - Westmoreland County, Pennsylvania | | | |
| Military | Sep 1786 | as Lieutenant Colonel in the Second Batallion of the County Militia - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 1787 | owned 207 acres , 3 horses and 4 horned cattle - Salem, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 12 Sep 1787 | and William Guthery held in trust 50 acres for the heirs of Alexander Barr - Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 26 Nov 1787 | received a patent for the land his father conveyed to him of 323 3/4 acres in 1771 - Conemaugh, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 3 Dec 1787 | was given 300 acres of his father's that joined his land along the Conemaugh River - Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 3 Dec 1787 | had his warrant for acceptance approved for 323 3/4 acres of land - Derry, Westmoreland County, Pennsylvania | | | |
| Residence | 1788 | and owned 300 acres, 3 horses and 4 horned cattle - Derry Township, Westmoreland County, Pennsylvania | | | |
| Military | 10 Jan 1788 | was Lieutenant colonel 2nd Battalion in the PA Militia - Westmoreland County, Pennsylvania | | | |
| Residence | 1789 | and owed 530 acres, 2 horses and 3 cows - Derry Township, Westmoreland County, Pennsylvania | | | |
| Military | 7 Jul 1789 | was Lieutenant Colonel in the 2nd Battalion, PA - Westmoreland County, Pennsylvania | | | |
| Residence | 1790 | with his family - Derry, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 1 Sep 1791 | was commissioned a Justice of the Peace - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 7 Dec 1792 | as a justice of the peace, verified the information provided for a muster roll of the militia - Westmoreland County, Pennsylvania | | | |
| Military | 12 Dec 1792 | was Colonel of the 5th Battalion for the County Militia - Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 17 Dec 1793 | Westmoreland County, Pennsylvania | | | |
| Residence | 1800 | with his family - Derry, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 13 Dec 1804 | received a warrant for his survey of land he purchased in 1769 accepted into the Land Office - Derry, Westmoreland County, Pennsylvania | | | |
| Residence | 13 Dec 1804 | Derry Township, Westmoreland County, Pennsylvania | | | |
| Miscellaneous | 14 Dec 1804 | had his acceptance returned for 207 acres 151 perches - Derry Township, Westmoreland County, Pennsylvania | | | |
| Will | 10 Dec 1808 | Derry, Westmoreland County, Pennsylvania | | | |
| Death | 16 Feb 1809 | Derry, Westmoreland County, Pennsylvania | | | |
| Burial | Aft 16 Feb 1809 | Derry, Westmoreland County, Pennsylvania | | | |
| Probate | 9 Mar 1809 | Westmoreland County, Pennsylvania | | | |