Róis-Máire Donnelly

Career Donnelly has volunteered for Integrated Services for Children and Young People in the Upper Springfield, , and for the charity Active Communities Network.

Donnelly worked as an operations manager for Active Communities Network, a youth and community development organisation.

Belfast City Council Donnelly has attributed Sinn Féin's community activism for why she decided to join the party. She replaced Stevie Corr to represent the Black Mountain electoral area on the Belfast City Council.

She first ran for election in the 2023 Belfast City Council election

She was the chair of the Belfast City Council Climate and City Resilience Committee.

Lord Mayor of Belfast Donnelly was informed she would be the next Lord Mayor of Belfast a few weeks before it was first announced on 27 May 2026. and the first female Irish-speaking Lord Mayor of Belfast.

She has made statements in support of the Irish language, the LGBT community, and solidarity with Palestinians. She has said "the biggest issue people in Belfast face is the cost of living."