Background
Born in Edinburgh in 1825, he was the son of Sir George Sinclair, 2nd Baronet, and Lady Catherine Camilla Tollemache, daughter of William Talmash, Lord Huntingtower.
Member of Parliament in the United Kingdom
Born in Edinburgh in 1825, he was the son of Sir George Sinclair, 2nd Baronet, and Lady Catherine Camilla Tollemache, daughter of William Talmash, Lord Huntingtower.
He was educated at Cheam School and the University of Durham.
He was a Page of Honour for Queen Adelaide. He served as a Lieutenant in the Scots Fusilier Guards. In 1861 he was made Vice-Lieutenant for Caithness.
His majority of 13 over the Conservative candidate at the 1874 election is one of the smallest on record.
Sinclair married Emma Standish, daughter of William Standish, Duxbury Park, Lancashire, and Cocken Hall, Durham in 1853. Clarence Granville Sinclair (3 April 1858 – 16 November 1895), father of Archibald Sinclair
George Felix Standish Sinclair Justice of the Peace (11 January 1861 – 10 June 1943)
Amy Camilla Sinclair (died 27 February 1925)
Nina Mary Adelaide Sinclair (1856 – 13 February 1924)
In 1868 he succeeded his father to the baronetcy.
The marriage was dissolved in 1878. Sinclair was the earliest born person to have made a gramophone disc recording.
He made titles for Columbia, Gramophone and Typewriter Limited. and Odeon, all in 1906.
He also commissioned a statue of Mary, Queen of Scots, at 143–144 Fleet Street, London.
20th United Kingdom Parliament. 21st United Kingdom Parliament. 22nd United Kingdom Parliament]
Sinclair was elected Member of Parliament for Caithness in 1869 and held the seat until 1885.