18th United States Congress | Raidió Teilifís Éireann | Bus Éireann | Dáil Éireann | Seanad Éireann | 18th parallel south | Edward Plunkett, 18th Baron of Dunsany | Nominated members of Seanad Éireann | Irish Volunteers (18th century) | John Forbes-Sempill, 18th Lord Sempill | Iarnród Éireann | Conor Myles John O'Brien, 18th Baron Inchiquin | 18th Wing | 18th Academy Awards | Thomas Fitzmaurice, 18th Baron Kerry | Seanad Éireann (Irish Free State) | Roman Republic (18th century) | Radio Éireann Players | Members of the 24th Seanad | Conor O'Brien, 18th Baron Inchiquin | California's 18th congressional district | 18th SS Volunteer Panzergrenadier Division Horst Wessel | 18th Indian Division | 18th Army Group | William Herbert, 18th Earl of Pembroke | Wexford (Dáil Éireann constituency) | Texas's 18th congressional district | "Spithead", the 18th Century Bermudian home of Hezekiah Frith and 20th Century home of Eugene O'Neill | Royal Navy uniforms of the 18th and 19th centuries | New York's 18th congressional district |
In 1987, he was nominated by the Taoiseach, Charles Haughey to the 18th Seanad Éireann.