- Born: - Died: -
Assistant county surveyor for Co. Leitrim from 1915 until 1918 or later. MacDonagh, who held an MA and BE from the National University of Ireland, was a professor at St Joseph's College, Ballinasloe, Co. Galway, before he was appointed an assistant county survor for Co. Leitrim in October 1915.(1) He was still in the post in 1918 but had died or retired by 1922.(2)
(1) Building News 109, 20 Oct 1915, 461.
(2) Information from Thom's Directory for 1918 and 1922.