In 1868 he took a commission as a First Lieutenant in the 1st Gloucestershire Engineer Volunteer Corps[1] which he held until 29 October 1873.
In 1885 he succeeded his father as Chief Civil Engineer of the Great Western Railway.
He was elected an Associate of the Institute of Civil Engineers in 1874 and made a Member on 28 March 1882.
[5] He was born at Bath on 8 November 1843, the son of William George Owen (1810-1885) (Chief Civil Engineer of the Great Western Railway 1868-1885) and Amelia Sarah Martin (1818 - 1896).
He married Helen Evans, second daughter of William Evans on 24 May 1871 at St Woollos Church[6] and they had two children: He lived in retirement at 26 Cornwall Gardens, London and died in 1911 aged 68 leaving an estate of £17,868[8] (equivalent to £2,298,400 in 2023).