James Lowther, 1st Viscount Ullswater

The Right Honourable
The Viscount Ullswater
GCB PC JP DL
The Right Honourable The Viscount Ullswater GCB PC JP DL
	Portrait by Philip de László, c. 1905
Speaker of the House of Commons; of the United Kingdom
	In office; 8 June 1905 – 28 April 1921
Monarchs	Edward VII; George V
Prime Minister	Arthur Balfour; Henry Campbell-Bannerman; H. H. Asquith; David Lloyd George
Preceded by	Sir William Gully
Succeeded by	J. H. Whitley
Deputy Speaker of the House of Commons; Chairman of Ways and Means
	In office; 1895 – June 1905
Monarchs	Victoria; Edward VII;
Preceded by	John William Mellor
Succeeded by	Sir John Lawson
Parliamentary Under-Secretary of State for Foreign Affairs
	In office; 22 September 1891 – 18 August 1892
Monarch	Victoria
Prime Minister	The Marquess of Salisbury
Preceded by	Sir James Fergusson
Succeeded by	Sir Edward Grey
Member of the House of Lords; Lord Temporal
	In office; 8 July 1921 – 27 March 1949; Hereditary Peerage
Preceded by	Peerage created
Succeeded by	The 2nd Viscount Ullswater
Member of Parliament; for Penrith and Cockermouth
	In office; 14 December 1918 – 13 May 1921
Preceded by	constituency established
Succeeded by	Cecil Lowther
Member of Parliament; for Penrith
	In office; 27 July 1886 – 14 December 1918
Preceded by	Henry Howard
Succeeded by	constituency abolished
Member of Parliament; for Rutland
	In office; 1 September 1883 – 18 December 1885
Preceded by	Gerard Noel
Succeeded by	George Finch
Personal details
Born	1 April 1855
Died	27 March 1949 (aged 93)
Party	Conservative
Spouse	Mary Beresford-Hope (d. 1944)
Alma mater	King's College London ; Trinity College, Cambridge

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James William Lowther, 1st Viscount Ullswater, GCB, PC, JP, DL (1 April 1855 – 27 March 1949), was a British Conservative politician. He was Speaker of the House of Commons between 1905 and 1921. He was the longest-serving Speaker of the 20th century.