Below are the results of Irish republican parties in elections to the House of Commons of the Parliament of Northern Ireland from its creation in 1921, until its abolition in 1972. Also includes a list of those elected.
Total electorate: 582,464; turnout: 88.0% (512,842). Elected: Armagh – Michael Collins Down – Éamon de Valera Fermanagh and Tyrone – Arthur Griffith, Seán Milroy, Seán O'Μahony Londonderry – Eoin MacNeill
Electorate 611,683 (512,264 in contested seats); Turnout: 75.1% (384,745). Elected: Armagh – Eamon Donnelly Down – Éamon de Valera
Electorate 793,952 (250,519 in contested seats); Turnout 67.7% (169,690). Elected: South Armagh – Paddy McLogan (Independent Republican) South Down – Éamon de Valera (Fianna Fáil)
Electorate: 845,964 (509,098 in contested seats); Turnout: 70.3% (357,882). Elected: Belfast Falls – Harry Diamond
The only Socialist Republican Party candidate was elected unopposed. Electorate 846,719 (477,354 in contested seats); Turnout 79.3% (378,458). Belfast Falls – Harry Diamond
Electorate 888,352 (428,216 in contested seats); Turnout 60.2% (257,924). Elected: Belfast Falls – Harry Diamond
Electorate: 891,064 (359,816 in contested seats); Turnout: 67.1% (241,501). Elected: Belfast Falls – Harry Diamond
Electorate: 903,596 (458,838 in contested seats); Turnout: 66.0% (302,681). Elected: Belfast Falls – Harry Diamond
Electorate: 907,667 (563,252 in contested seats); Turnout: 57.6% (324,589). Elected: Belfast Dock – Gerry Fitt Belfast Falls – Harry Diamond
Electorate: 912,087 (778,031 in contested seats); Turnout: 71.9% (559,087). Elected: Belfast Dock – Gerry Fitt Belfast Central – Paddy Kennedy
See also Parliament of Northern Ireland House of Commons of Northern Ireland Irish Republicanism in Northern Ireland
References Archive.org – Northern Ireland House of Commons Election Results