The Scottish Union of Dock Labourers was a Glasgow

Glasgow

Glasgow is the largest city in Scotland and third most populous in the United Kingdom. The city is situated on the River Clyde in the country's west central lowlands...

-based trade union

Trade union

A trade union, trades union or labor union is an organization of workers that have banded together to achieve common goals such as better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and negotiates labour contracts with...

 for waterfront workers. It was formed during the seamen's and dockers' strikes of June-July 1911. It replaced the National Union of Dock Labourers

National Union of Dock Labourers

The National Union of Dock Labourers was a trade union in the United Kingdom. It was formed in Glasgow in 1889 but moved its headquarters to Liverpool within a few years and was thereafter most closely associated with Merseyside...

, which had been formed in Glasgow in 1889 but later became unpopular in that port, finally closing its local branch in February 1910. The president of the SUDL throughout its lifetime was Joe Houghton. The union joined the Transport & General Workers' Union in 1922, but attempts to revive the union as a separate organisation were made in the 1930s.

See also

• List of trade unions
• Transport and General Workers' Union
  Transport and General Workers' Union
  The Transport and General Workers' Union, also known as the TGWU and the T&G, was one of the largest general trade unions in the United Kingdom and Ireland - where it was known as the Amalgamated Transport and General Workers' Union - with 900,000 members...
  
  
• TGWU amalgamations

Further reading

• William Kenefick, Rebellious and Contrary: The Glasgow Dockers, 1853-1932 (Scottish Historical Review Monograph No. 10., East Linton, Tuckwell Press, 2000