Gabriel Stokes, son of Henry Stokes, was born on 7 July 1849 at Ballyard, Tralee, County Kerry, Ireland and was educated at Kilkenny College, Armagh and Trinity College, Dublin.
Stokes cleared the Indian civil service examinations and qualified for the civil service in 1871. In India, he served as a member of the executive council of the Governor of Madras from 1896 to 1906 and from 1906 to 1907. He served as Governor of Madras from 15 February 1906 to 28 March 1906. In the 1909 New Year Honours, Stokes was made a Knight Commander of the Order of the Star of India for his services to the Crown.
He died at his home, 72 Morehampton Road in Dublin on 22 October 1920