Although she attended Trinity College, Dublin, she didn't begin her career due to the outbreak of World War I.

She joined the St John's Ambulance Brigade and served at the Cambridge Military Hospital and at Aldershot Barracks.

While working as a librarian Roe was able to study further and, as a rare person with a car, she toured sites and visited schools.

[9][4][6][7][8] Apart from her antiquarian work she was a regular supporter of charities and was honorary secretary of The Queen's County Protestant Orphan's Society and actively involved in The Dublin University Mission to Chota Nagpur, India.

[4][7][5][6][10][8] She lived at Oak House, Sussex Road, Dublin and was buried at St. Peter's Churchyard, Mountrath, County Laois, Ireland.