William Smith - abolitionist - died in 1835.
William Smith - abolitionist - was born in 1756.
William Morgan - abolitionist - died in 1890.
Gerrit Smith did not fully agree with the abolitionist views of the others mentioned. Smith supported the abolitionist cause but did not always see eye to eye with prominent figures like William Lloyd Garrison and Harriet Beecher Stowe.
William 'Tangier' Smith died in 1705.
William Smith Ziegler died in 1999.
William Benjamin Smith died in 1934.
William Smith O'Brien died in 1864.
William Rudolph Smith died in 1868.
William Smith-Masters died in 1937.
Samuel William Smith died in 1931.
William Osborne Smith died in 1833.
William Russell Smith died in 1896.