Sinn Féin Front Bench
Mary Lou McDonald has served as the Leader of the Opposition since 27 June 2020, following the formation of the government of the 33rd Dáil after the 2020 general election. McDonald has continued in this role following the formation of the government of the 34th Dáil.
Sinn Féin Front Bench
Following Micheál Martin's appointment as Taoiseach on 23 January 2025, Mary Lou McDonald retained her position as the second President of Sinn Féin and first woman to hold the de facto role of Leader of the Opposition, a position she has held since the 2020 general election.On 28 January 2025, Mary Lou McDonald announced the new Sinn Féin front bench for the 34th Dáil.