Green Party in Northern Ireland was created in 1983.
Socialist Party - Ireland - was created in 1996.
Farmers' Party - Ireland - was created in 1922.
Communist Party of Ireland was created in 1921.
Pirate Party Ireland was created in 2009.
Workers' Party of Ireland was created in 1970.
Communist Party of Northern Ireland was created in 1941.
Labour Party of Northern Ireland was created in 1985.
Northern Ireland Labour Party was created in 1987.
Socialist Workers Party - Ireland - was created in 1971.
Socialist Republican Party - Ireland - was created in 1944.
Unionist Party of Northern Ireland was created in 1974-09.