Londonderry - Northern Ireland Parliament constituency - ended in 1929.
Londonderry - Northern Ireland Parliament constituency - was created in 1921.
South Londonderry - Northern Ireland Parliament constituency - ended in 1973.
North Londonderry - Northern Ireland Parliament constituency - was created in 1929.
North Londonderry - Northern Ireland Parliament constituency - ended in 1973.
Down - Northern Ireland Parliament constituency - was created in 1921.
Mourne - Northern Ireland Parliament constituency - ended in 1973.
Mourne - Northern Ireland Parliament constituency - was created in 1929.
Iveagh - Northern Ireland Parliament constituency - ended in 1973.
Iveagh - Northern Ireland Parliament constituency - was created in 1929.
Enniskillen - Northern Ireland Parliament constituency - was created in 1929.
Enniskillen - Northern Ireland Parliament constituency - ended in 1973.