Mary Ellen Humphreys (née Rahilly) (28 April 1871 – 2 December 1939) was an Irish revolutionary, Cumann na mBan leader and Dublin city councillor active in the period from 1916 to 1923.
Her son Dick Humphreys joined the Irish Volunteers and was active in Easter week.
[4] Following the death of Nell Humphrey's brother The O'Rahilly in combat she was arrested and detained in the aftermath of the Easter rising.
[5] She joined the Ranelagh Branch of Cummann na mBan in 1919[6] and was elected as a republican member of Pembroke Urban District Council in 1920.
[citation needed] Shortly before her death in 1939 she commissioned a Harry Clarke stained glass window in Mountjoy Prison where she had previously been detained.