I don't know if this will help, but in the book Kinnears and Their Kin, they have the following information. William Kinnear b. 1800 in PA., married Susan Higgins b. 1806, in Buffalo, N.Y.
Their children were: 1.) Sylvester Kinnear b. December 15, 1824, in PA., and married Mary Jane Durkee b. October 24, In PA.They had one son Charles E. Kinnear b. November 6, 1846 in Buffalo, N.Y. who married Annie M. Carpenter b. June 20, 1848, in Buffalo, N.Y.