# Name Years Size Links
APNI 1970–2020
AnInfrEu 2012–2020
ThBrPa 2018–2020
BrNaPa 1982–2020
ChUK 2019–2019
CoPaofGrBr 1920–1991
Con 1834–2020
Co 1923–2020
CoPa 1917–2020
DUP 1971–2020
EnDe 2002–2020
GrPainNoIr 1983–2020
GrPaofEnanWa 1990–2020
HoRuLe 1873–1882
ILP 1893–1975
Lab 1900–2020
LibDems 1988–2020
Lib 1859–1988
LibU 1886–2020
NaDeanLaPa 1918–1922
NaFr 1967–2020
Na 1918–1977
NLO 1931–1945
NaLiPa 1922–1923
NaLiPa 1931–1968
No 2009–2020
NoIrWoCo 1996–2006
Pe 1846–1859
PlCy 1925–2020
PrCoPa 1999–2001
RePa 1994–1997
ReAs 1830–2020
Respect 2004–2016
PrUanahA 1990–2020
SNP 1934–2020
SF 1905–2020
SDLP 1970–2020
SDP 1981–1988
SoLaPa 1996–2020
UKIP 1993–2020
UKUnPa 1995–2020
UUP 1905–2020
UnUlUnCo 1974–2020
Wh 1900–1859
WP 1905–2020