Her parents were Thomas Rhodes Armitage and Harriet Black.
[1] Her mother was the heiress of the Noan estate, County Tipperary.
[2] Her father founded the Royal National Institute for the Blind in England.
[3] Armitage was the principal founder of the National Council for the Blind of Ireland on 10 March 1931 under the original name of the National Council for the Welfare of the Blind of Ireland.
A plaque was unveiled to a number of the Armitage family members involved in advocacy for the blind and partially sighted at Magorban Church, Cashel in 2006.