Every Political Party Ever: The British House of Lords

Parties in the House of Lords since 1707 only. The House of Commons, devolved parliaments, the separate parliaments of England and Scotland pre-1707, or any other elected body, are not included.

Does not include informal parties/groups, independent, non-affiliated or crossbench peers, Lords Spiritual, or the position of Lord Speaker.

Includes parties which have gained a peer via defection from another party, as well as parties whose peer(s) never took up their seat.

Includes Irish peers between 1801 - 1922.