Dáil constituencies in Northern Ireland (historic)

This category includes constituencies created for the House of Commons of the United Kingdom used by Irish republicans to elect the First Dáil in 1918 and those created for the House of Commons of Northern Ireland which was used by republicans as an election to the Second Dáil in 1921. Only Sinn Féin members took their seats as TDs in the First and Second Dáil, but all constituencies were listed on the roll of Dáil Éireann as constituencies for these body and are included here.