Cornelius Swartout and Lucinda Platt were my Great,Great,Great Grandparents.
The Mercer County Historical Society produced a book in 1882 with profiles of various persons in the county.
"The History of Mercer County" You can read the book online or download it in PDF format http://www.archive.org/details/historyofmercerc00merc
Below is the sketch on Cornelius and Lucinda. Click on the picture to make it larger.