When Emma Catherine Leap was born on 16 February 1867, in Switzerland, Indiana, United States, her father, John Fordyce Leap, was 23 and her mother, Sarah J Brindley, was 25. She married John Boswell on 22 January 1894, in Jefferson, Indiana, United States. They were the parents of at least 1 son and 3 daughters. She lived in Prestonville, Carroll, Kentucky, United States in 1880. She died on 2 October 1904, in Trimble, Kentucky, United States, at the age of 37, and was buried in Moffett Cemetery, Milton, Trimble, Kentucky, United States.