Anna "Anno" O'Rahilly (née Rahilly) (17 February 1873 – 1958) was an Irish revolutionary and Cumann na mBan member, republican prisoner and hunger-striker active in the period from 1916 to 1923.
Born in Ballylongford, County Kerry to grocer and nationalist public representative Richard Rahilly and Ellen Mangan, she was a sister of the 1916 leader The O'Rahilly and the Cummann na mBan leader Nell Humphreys (née Rahilly).
In April 1914 she was one of a small group of women present at the founding of Cumann na mBan in Wynne's Hotel, Dublin.
[3][4] The National Library of Ireland holds a letter from her appealing for money on behalf of republican prisoners' dependents.
[5] During the Civil war, on 4 November 1922 she was accidentally shot in the family home in Ailesbury Road by Ernie O'Malley[2][6] After her recovery, she was detained for the rest of the civil war in Mountjoy Prison, Kilmainham Gaol and the North Dublin Union, where she was on hunger strike in October–November 1923.