WILLIAM SINCLAIR (3) born about 1760; married in 1789 Jean Tulloch of Moen in Harray. He resided in Conyar until November 1805, when he and his family removed to "The House of Howe" in the district or township of Bimbuster, Harray
If this is your ancestor you may find info on this site along with that of many more of the same name. Good luck
.http://www.fionamsinclair.co.uk/genealogy/isles/Index.htm