I found the following Seamans in Poughkeepsie, NY Directories. Hope they are of some use to someone! Judy Wolf do=ditto June 1845 p.20 Seaman, Martha w'd, Clinton James H., carpenter, Clinton Nelson, do, Main June 1847 p. 18 Seaman, William H., blacksmith, 25 Church Martha, w'd, 20 Clinton James H., 20 do Nelson, carpenter, 20 do David N.,sheriff, off. courthouse June 1848 p.14 Seaman, James H., 20 Clinton David N., sheriff, off. courthouse June 1849 p. 17 Seaman, Nelson, carpenter, 20 Clinton James H., do. do David N., sheriff, off. courthouse, h 66 WAshington June 1850 Seaman, Nelson, carpenter, h 20 Clinton James H., do do do David N., grocer, Main c. Washington