Solomon Leonard was the progenitor of many descendants in Central New York and elsewhere. Manning Leonard (shown here) compiled a genealogy of Solomon's descendants in 1896. You can read the book below:
UPDATE! January 2019 - DNA testing suggests my line of Leonards descends from Solomon!
Memorial, genealogical, historical, and biographical, of Solomon Leonard, 1637 : of Duxbury and Bridgewater, Massachusetts, and some of his descendants, by Manning Leonard, 1814-1885, published 1896. Read and search the entire book, free of charge, at Archive.org. or buy a hard copy on Amazon.com or ebay.com.
For more historical Leonard memorabilia, see the Leonard page.