Of the 60 members, twenty-four (40%) are women, and thirty (50%) are first-time Senators. Five Senators (8%) are members of the LGBT+ community.[1] 33 members (55%) of the 26th Seanad were unsuccessful candidates at the 2020 general election, 10 of those (17%) being outgoing TDs who failed to get re-elected. In total 41 members (68%) of the 26th Seanad had contested general elections in the past, while 15 (25%) were former TDs. Eileen Flynn is the first Irish Traveller to be a member of the Seanad.[2]
The coalition agreement between Fianna Fáil, Fine Gael, and the Green Party saw a rotation between the role of Taoiseach between the leaders of Fianna Fáil and Fine Gael. Fianna Fáil leader Micheál Martin served as Taoiseach from June 2020 to December 2022, with Fine Gael leader Leo Varadkar serving as Taoiseach from that date, with Simon Harris succeeding as Fine Gael leader and Taoiseach in April 2024. Similarly, the agreement provided that the position of Cathaoirleach in the Seanad would rotate between the parties.
On 21 August 2020, following his involvement in the Oireachtas Golf Society scandal, Buttimer resigned as Leas-Cathaoirleach.[9] On 18 September 2020, Joe O'Reilly (FG) was proposed as Leas-Cathaoirleach by Regina Doherty (FG) and seconded by John McGahon (FG). Fintan Warfield (SF) was proposed by Niall Ó Donnghaile (SF) and seconded by Elisha McCallion (SF). O'Reilly was elected to the position.[10]
On 16 December 2022, Daly resigned as Cathaoirleach. Jerry Buttimer was proposed by Regina Doherty and seconded by Diarmuid Wilson. Victor Boyhan (Ind) was proposed by Alice-Mary Higgins (Ind) and seconded by Tom Clonan (Ind). Buttimer was elected by a vote of 35 to 8.[1] This was followed by the election of Mark Daly as Leas-Cathaoirleach. He was proposed by Lisa Chambers (FF) and seconded by Regina Doherty and elected unopposed.[11][12]
On its first sitting of the 26th Seanad, the government had a majority of 40 to 20. As of November 2024[update], the government's majority is 41 to 17, with two vacancies.
The political leadership of the Seanad rotated on 16 December 2022, the day before the rotation of the Taoiseach and Tánaiste. Outgoing Leader of the Seanad, Regina Doherty becoming Deputy Leader, and outgoing Deputy Leader Lisa Chambers becoming Leader. Outgoing Government Chief Whip of the Seanad, Senator Seán Kyne of Fine Gael also swapped positions with Seanad Government Deputy Chief Whip Senator Robbie Gallagher, who took over as Seanad Chief Whip. The leadership of the Green Party group in the Seanad also changed with Senator Pauline O'Reilly stepping down as group leader to be replaced by Senator Róisín Garvey.
^+: New senator. ^‡: Previously served as member of the Seanad non-consecutively to the current consecutive terms of office. ^#: Member of the 32nd Dáil who was not re-elected at the 2020 general election.