Davies was one of five children of Irish Republican Brotherhood (IRB) Supreme Council member and later MP James O'Connor.
He was IRB treasurer in 1870 and party to the discussions on the New Departure, a collaboration between constitutional and physical force nationalists, the open and the secret movements.
She was saluted as one of the 'fond ones' in a letter from Ruari, Roger Casement, to Margaret Gavan Duffy on the eve of his execution in Pentonville prison, 3 August 1916.
Historian Meda Ryan denies this saying "Letters from him and a phonecall confirmed that he was born 24 December 1912, before his mother met Collins.
[8] Davies made a lasting contribution to Irish literature with a translation, with George Thomson, of the Muiris Ó Súilleabháin book Fiche Bliain faoi Bhláth as Twenty Years a-Flowering.