McNeil was educated at Woodside School and the University of Glasgow, trained as an engineer and worked as a journalist on a Scottish national newspaper. He was a member of Glasgow Town Council 1932-8. He chaired Glasgow Trades Council and stood for Parliament unsuccessfully in Galloway in 1929 and 1931, in Glasgow Kelvingrove in 1935 and in Ross and Cromarty in 1936. He was elected Member of Parliament for Greenock unopposed in a wartime by-election in 1941.
Following the 1945 election, McNeil became Parliamentary Under-Secretary of State for Foreign Affairs. He was promoted to Minister of State at the Foreign Office in October 1946, de facto deputy to the Foreign Secretary, Ernest Bevin, and appointed a member of the Privy Council. Through his position at the Foreign Office, he was vice-president of the United Nations General Assembly in 1947 and leader of the British delegation to the Economic Commission for Europe, 1948. It was later revealed that his personal assistant and private secrerary at the time, Guy Burgess, was a Soviet agent, although McNeil never came under suspicion.
Hector McNeil Memorial Baths
The Hector McNeil Memorial Baths was a swimming pool in the town of Greenock named in honour of McNeil. The foundation stone was laid by McNeil's wife on 9 October 1963. The baths were demolished in 2002 after the Greenock Waterfront Leisure Centre opened.
Hector McNeil House
In May 2014 Inverclyde Council approved the name Hector McNeil House for the former library building in Clyde Square, Greenock when it re-opens as the main offices for Community Health and Care Partnership services in August 2014.
- Craig, F.W.S. (1983) . British parliamentary election results 1918-1949 (3rd ed.). Chichester: Parliamentary Research Services. ISBN 0-900178-06-X.
- Greenock, Telegraph. "GreenockFoundation stone for new swimming baths laid by Mrs McNeil. Baths to be known as the Hector McNeil Memorial Baths.". Retrieved 9 July 2009.
- Torrance, David, The Scottish Secretaries (Birlinn), 2006.
- Hansard 1803–2005: contributions in Parliament by Hector McNeil
|Parliament of the United Kingdom|
|Member of Parliament for Greenock
| Succeeded by|
|Secretary of State for Scotland
| Succeeded by|