[2][3] He was the son of Bristol Member of Parliament (MP) Philip John Miles and Clarissa née Peach.
[4][2][3] Miles was appointed High Sheriff of Gloucestershire for 1863.
[5] He was Chairman of the Port and Pier Railway Company.
In 1846 Miles married Pamela Adelaide Napier (1823-1910), daughter of Lieutenant-General Sir William Francis Patrick Napier and Caroline Amelia Fox.
[3][5] Miles died on 1 October 1881 at Kings Weston House aged 65.