| Labour |
Lab |
Formed 27 February 1900. Previously known as the Labour Representation Committee (-1906). Registered 14 January 1999. MNIS Party ID 15. Electoral Commission ID PP53. |
| Liberal Democrats |
Lib Dems |
Formed 3 March 1988. Registered 14 January 1999. Preceded by the Liberal Party and the Social Democratic Party (merger). MNIS Party ID 17. Electoral Commission ID PP90. |
| Liberal-Labour |
Lib-Lab |
Formed 17 February 1870. Dissolved 14 December 1918. Electoral agreement whereby candidates took the Liberal whip but were financially supported by trade unions or had the support of the Labour Representation League. |
| Liberal National Party |
LNP |
Formed 1931. Dissolved 1968. Later known as National Liberal Party (1948). Preceded by the Liberal Party (split). Succeeded by the Conservative party (merger). |
| Liberal Party |
Liberal |
Formed 1859. Merged with SDP 1988. |
| Liberal Unionist |
LU |
Formed 1886. Dissolved 1912. Preceded by Liberal Party, split over Irish Home Rule issue. Succeeded by Conservative Party. |