Dáil Éireann By Elections 1918-2011

There were no By Elections during the 7th, 9th, 11th, 22nd, 25th and 26th Dálai. The longest period without a By Election was nearly 10 years between 1984 and 1994. The most By Elections on one day was nine in March 1925. There were three By Elections during the 30th Dáil. There first By Election of the 31st Dáil is pending.

Click here for details of the writs moved for By Elections, and seats that were vacant at dissolution.

Constituency names shown below in bold have full count and transfer details available, or required only a single count.

Gains are indicated by yellow shading.