As he grew up and matured, he opted law as his subject of study which led to his role in the fledgling United States. At about the year 1770, after admission to the bar and subsequent practice of law, he moved to and settled on Dunlaps Creek at Redstone Old Fort(now modern day Brownsville in Fayette County).
When the County of Washington was organized on March 28, 1781, he was made the first prothonotary. He served in this capacity until March 28, 1789. In addition to this first honor of Washington County, he previously served as a justice of the peace in 1773, and was a member of the first Pennsylvania Assembly in 1776.
However, Mr. Scott resigned his position with the Pennsylvania Assembly due to his election to the U.S. House of Representatives. He arrived on Wednesday, April 1, 1789 for his seat at the first session of the first Congress in the city of New York. Among his contributions, he purportedly had the honor of presenting to the Congress of the new nation a resolution that established the capital city on the banks of the Potomac River now known as Washington, D.C.
He died on March 2, 1796 and was buried at Old Graveyard in the city of Washington, Pennsylvania on Walnut Street which is now considered to be the present site of Washington & Jefferson College. Later in the early 1900s, his body was re-interred in Washington Cemetery.
- "Journal of the House of Representatives of the United States, Volume 1 (page 6)". Retrieved 2008-05-06. CS1 maint: discouraged parameter (link)
- "Historic Pittsburgh - Historical magazine of Monongahela's old home coming week. Sept. 6-13, 1908 (Page 49-50)". Retrieved 2008-05-06. CS1 maint: discouraged parameter (link)