President Lincoln's had selected the Republican William H. Seward as his secretary of state. Seward had been a contender for the Republican Party's nomination for the US presidency. He had a long record in politics as a governor of New York and a career as a US senator. With that said, Seward was a staunch Unionist. So much so that he advocated a foreign war as a means to forestall a southern rebellion.
William H. Andrews - unionist - was born in 1870.
William H. Andrews - unionist - died in 1950.
William Brown - trade unionist - died in 1960.
William Brown - trade unionist - was born in 1896.
William Crawford - trade unionist - died in 1890.
William Crawford - trade unionist - was born in 1833.
William Abraham - trade unionist - died on 1922-05-14.
William Abraham - trade unionist - was born on 1842-06-14.
William Ross - Unionist politician - was born on 1936-02-04.
William Grant - Ulster Unionist politician - died in 1949.
William Grant - Ulster Unionist politician - was born in 1883.
William Thompson - Ulster Unionist politician - was born on 1939-10-26.