I have the same Cooper line you are inquiring on. Your William is Son of David Cooper b. 1738 d.1792 m.Elizabeth Wilder. Children are:Marcome,William(yours)m. Francis "Fannie",John,Charity,Malachi (my 12th Gen. Gr. Father,Orpha,Sion,Elizabeth,Edward, and Rachel. If you want information earlier I have it. let me hear from you. Bonnie