List of Political Families in The United Kingdom - Sinclairs

Sinclairs

• Sir John Sinclair, 1st Baronet (1754–1835), Scottish Whig MP for Caithness 1780-1784, 1790–1796, 1802–1806, 1807–1811, Lostwithiel 1784-1790, Petersfield 1797-1802. He was the first person to use the word statistics in the English language.
  • Sir George Sinclair, 2nd Baronet (1790–1868), eldest son of the 1st Baronet. Scottish Whig MP fo Caithness 1811, 1818–1820 and 1831–1841
    • Sir John Sinclair, 3rd Baronet (1825–1912), eldest son of the 2nd Baronet. Scottish Liberal MP fo Caithness 1869-1885
      • Archibald Sinclair, 1st Viscount Thurso (1890–1970), 4th Baronet, grandson of the 3rd Baronet. Scottish Liberal MP for Caithness and Sunderland 1922-1945, Liberal Chief Whip 1930-1931, Secretary of State for Scotland 1931-1932, Secretary of State for Air 1940-1945. Leader of the Liberal Party 1935-1945.
        • John Archibald Sinclair, 3rd Viscount Thurso, known as John Thurso (b. 1953), grandson of the 1st Viscount. Scottish Liberal Democrat MP for Caithness, Sutherland and Easter Ross since 2001. The first British hereditary peer allowed to sit in the Commons without first disclaiming his title (possible because of the exclusion of hereditary peers from the House of Lords in 1999).
        • Veronica Linklater (b. 1943), Baroness Linklater of Butterstone, granddaughter of the 1st Viscount. Liberal Democrat life peer since 1997.