Peter Casey came to America about 1725-26 from County Tyrone in North Ireland with his brother Abner Casey. They docked in Baltimore, Maryland, and lived there a few years, then Abner moved to the southern part of Virginia and lived in the James and Roanoke River Valleys a few years then moved to South Carolina.
Peter Casey left Baltimore during the 1730's and settled on the south fork of the Potomac River in what is now Hampshire Count, West Virginia, near where Moorefield is now located. He was a well-known Indian fighter, a slave owner and was quite well-to-do.
Peter's son Nicholas was born in Hampshire County. He owned a large farm, 'Dunkirk Bottoms,' on the south fork of the Potomac near Moorefield. He served as a private in the Colonial Army during the Revolutionary War and after the war, he continued to live in Hampshire County until his death.
Nickolas Casey's son, Peter, was a noted Indian fighter and at one time he was stationed at Harrod's Fort. Later he obtained a large tract land on the Ohio River in what is now Union County, Kentucky, and became quite prominent in the affairs of the County, Casey Creek in Union County, Kentucky, was named in honor of this Peter Casey. His son Samuel was the first clerk of Union County and served a number of years in that capacity. His son Nicholas was born at Harrod's Fort, established Casey's Landing on the Ohio River in Union County, Kentucky,. Caseyville, KY, was named in his honor.
Peter Casey [the first] was married twice. About 1740 he married Mary Magdaline Dupuy and to this union 5 children were born. Existing records do not show what happened to Mary Magdaline but in 1758 he married Mary Williams, a widow of Vincent Williams, and to this union 4 children were born. There may have been other children.
