John Maclay, 1st Viscount Muirshiel

The Viscount Muirshiel
1962 portrait
Secretary of State for Scotland
In office
13 January 1957  13 July 1962
Prime MinisterHarold Macmillan
Preceded byThe Hon. James Stuart
Succeeded byMichael Noble
Minister of State for the Colonies
In office
18 October 1956  13 January 1957
Prime MinisterAnthony Eden
Preceded byJohn Hare
Succeeded byJohn Drummond
Minister of Civil Aviation
In office
31 October 1951  7 May 1952
Prime MinisterWinston Churchill
Preceded byDavid Rees-Williams
Succeeded byAlan Lennox-Boyd
Chairman of the National Liberal Party
In office
1947–1956
Preceded byStanley Holmes
Succeeded byJames Duncan
Member of Parliament
for West Renfrewshire
In office
23 February 1950  25 September 1964
Preceded byThomas Scollan
Succeeded byNorman Buchan
Member of Parliament
for Montrose Burghs
In office
5 July 1940  3 February 1950
Preceded byCharles Kerr
Succeeded byConstituency abolished
Member of the House of Lords
Lord Temporal
In office
17 July 1964  17 August 1992
Preceded byPeerage created
Succeeded byPeerage extinct
Personal details
Born(1905-10-26)26 October 1905
Glasgow, Scotland
Died17 August 1992(1992-08-17) (aged 86)
Kilmacolm, Scotland
Political partyNational Liberal
Scottish Unionist
Spouse
Betty Astley
(m. 1930; died 1974)
Alma materTrinity College, Cambridge

John Scott Maclay, 1st Viscount Muirshiel (26 October 1905 – 17 August 1992), was a British politician, sitting as a National Liberal and Conservative Member of Parliament before the party was fully assimilated into the Unionist Party in Scotland in the mid-1960s.

Lord Muirshiel served as Secretary of State for Scotland from 1957 to 1962 within Harold Macmillan's Conservative government, having held a number of junior ministerial posts beforehand. In 1964, he was elevated to the House of Lords.