William Baytop SINCLAIR (Jr.) (6 Jun 1894 - ____)
William Bowley SINCLAIR (18 Mar 1837 - ____)
William C. SINCLAIR (3 Feb 1854 - ____)
William Christopher SINCLAIR (20 Dec 1895 - 26 Dec 1921)
William Daniel SINCLAIR (29 Apr 1804 - ____)
William Edward SINCLAIR (ABT 1855 - 13 Nov 1918)
William Franklin SINCLAIR (ABT 1882 - 26 Jul 1923)
William George SINCLAIR (Dec 1849 - ABT 1890)
William George SINCLAIR (11 Aug 1813 - 3 Feb 1894)
William Henry SINCLAIR (21 Apr 1828 - 18 Aug 1847)
William Henry SINCLAIR (ABT 1838 - ABT 1865)
William James SINCLAIR (19 Jul 1885 - 24 May 1965)
William M. SINCLAIR (ABT 1798 - 9 May 1879)
William M. SINCLAIR (6 Sep 1810 - ____)
William Martin SINCLAIR (20 Jun 1816 - 7 May 1854)
William P. SINCLAIR (3 Jan 1847 - ____)
William Plummer SINCLAIR (23 Jul 1818 - 1 Aug 1819)
William Porter SINCLAIR (27 May 1844 - ____)
William R. SINCLAIR (25 Jan 1819 - ____)
William Tracy SINCLAIR (Sep 1841 - ____)
William Wallace SINCLAIR (25 Oct 1842 - 9 Mar 1843)
William Wallace (A) SINCLAIR (ABT 1833 - ABT 1833)
William Wallace (B) SINCLAIR (ABT 1840 - ____)
William Waters SINCLAIR (5 Jul 1809 - 26 Jul 1843)
Willie Spencer SINCLAIR (4 Aug 1859 - ____)
Willis Duane SINCLAIR (11 Sep 1860 - ____)
Willis Wilbber SINCLAIR (23 Jul 1852 - ____)
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