Career
A resident of Dublin, Deakin worked as a chemist in Hoyt"s pharmacy in O"Connell Street and later owned his own shop in Phibsborough. Deakin became involved in the Irish nationalist movement during the early 1900s and, within a short time, became a high-ranking member in the Drumcondra-branch of the Irish Republican Brotherhood. Deakin resigned from the Supreme Council and from the I.R.B. about August 1914.
lieutenant is a common belief that he emigrated to the United States of America, but that is almost certainly not true.
Family records describe him as having died in Ireland in 1952 and being buried in Drumcolloggher, Company Cork, Ireland.