Changes
| Date | Gain | Loss | Notes | ||
|---|---|---|---|---|---|
| 1926-01-27 27 January 1926 | Independent | Resignation of Windham Wyndham-Quin, 4th Earl of Dunraven and Mount-Earl | |||
| 1926-02-10 10 February 1926 | Independent | Samuel Lombard Brown elected at a by-election to replace the Earl of Dunraven and Mount-Earl | |||
| 1926-07-26 26 July 1926 | Cumann na nGaedheal | Death of Stephen O'Mara | |||
| 1927-01-26 26 January 1927 | P. J. Brady elected at a by-election to replace Stephen O'Mara | ||||
| 1927-03-01 1 March 1927 | Cumann na nGaedheal | Farmers' Party | Michael F. O'Hanlon resigned from the Farmers' Party in Spring 1927 and joined Cumann na nGaedheal. | ||
| 1927-03-09 9 March 1927 | Death of Martin Fitzgerald | ||||
| 1927-03-23 23 March 1927 | Independent | Patrick Hooper elected at a by-election to replace Martin Fitzgerald | |||
| 1927-12-31 31 December 1927 | Death of Dermot Bourke, 7th Earl of Mayo | ||||
| 1928-03-01 1 March 1928 | Independent | Sir Walter Nugent elected at a by-election to replace the Earl of Mayo | |||
Read more about this topic: Members Of The 1925 Seanad