She attended courses on electricity, power and light during the summer of 1879 at the Royal College of Science, Dublin.

[1] In her early thirties, Hull moved to London where she met Standish Hayes O'Grady.

Douglas Hyde was President, Frederick York Powell was Chairman, and Norma Borthwick and Hull were the secretaries.

She published books from 1898 to 1929, though her treatment of Irish sources was criticised by Séamus Ó Duilearga.

She served as editor to the Lives of the Celtic Saints series, and regularly wrote reviews for The Times.

Sgéalta Thomáis Uí Chathasaigh, a special volume from the Irish Texts Society, was dedicated to Hull.