Robert Thomas Jones was a Welsh quarryman, trade unionist and Labour Party

Labour Party (UK)

The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...

 politician.

He was elected at the 1922 general election

United Kingdom general election, 1922

The United Kingdom general election of 1922 was held on 15 November 1922. It was the first election held after most of the Irish counties left the United Kingdom to form the Irish Free State, and was won by Andrew Bonar Law's Conservatives, who gained an overall majority over Labour, led by John...

 as the Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 (MP) for Caernarvonshire

Caernarvonshire (UK Parliament constituency)

Caernarvonshire was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1885 and from 1918 until 1950. It elected one Member of Parliament by the first past the post...

, having unsuccessfully contested the seat in 1918

United Kingdom general election, 1918

The United Kingdom general election of 1918 was the first to be held after the Representation of the People Act 1918, which meant it was the first United Kingdom general election in which nearly all adult men and some women could vote. Polling was held on 14 December 1918, although the count did...

. He was defeated at the 1923 general election

United Kingdom general election, 1923

-Seats summary:-References:*F. W. S. Craig, British Electoral Facts: 1832-1987*-External links:***...

 by the Liberal Party

Liberal Party (UK)

The Liberal Party was one of the two major political parties of the United Kingdom during the 19th and early 20th centuries. It was a third party of negligible importance throughout the latter half of the 20th Century, before merging with the Social Democratic Party in 1988 to form the present day...

 candidate Goronwy Owen, and although he stood again for Caernarvonshire in 1924

United Kingdom general election, 1924

- Seats summary :- References :* F. W. S. Craig, British Electoral Facts: 1832-1987* - External links :* * *...

 and 1929

United Kingdom general election, 1929

-Seats summary:-References:*F. W. S. Craig, British Electoral Facts: 1832-1987*-External links:***...

, he was never returned to the House of Commons.

Jones served on TUC General Council from 1921 to 1932.

External links