When Peter McKinley was born on 10 September 1841, in Kentucky, United States, his father, Solomon McKinley, was 35 and his mother, Sarah Ann McClure, was 36. He married Sarah Ellen Choat on 31 August 1878, in Russell, Kentucky, United States. They were the parents of at least 2 sons and 2 daughters. He lived in Magisterial District 1, Russell, Kentucky, United States in 1900 and Jamestown, Russell, Kentucky, United States in 1910. He died on 3 April 1914, in Russell, Kentucky, United States, at the age of 72, and was buried in Jamestown, Russell, Kentucky, United States.
Scottish and northern Irish: Anglicized form of Gaelic Mac Fhionnlaigh, a patronymic from the early personal name Fionnlaoch (see Finley ).
History: William McKinley (1843–1901), 25th US president, was born at Niles, OH, a descendant of David McKinley, known as ‘David the Weaver’, of Scotch–Irish stock, who settled in York County, PA, c. 1743. William McKinley's family were iron founders who tracked the ore from the Susquehanna Valley in PA to Columbiana County, OH.