[1] He was born at Ffestiniog on 5 August 1862 and educated at Friars School, Bangor and University College, Aberystwyth.

[4] He made the first of his eight appearances for Wales in 1885, and in 1887 was invited to play as an amateur for Preston North End in their FA Cup ties.

Their victory in the Cup in the 1888–89 season was achieved without conceding a single goal throughout, which was attributed to his goalkeeping skills.

[5] Mills-Roberts qualified as a doctor in July 1887, and the following year was appointed the house surgeon at Birmingham General Hospital.

He later took a position with the hospital at the Dinorwic Slate Quarry, and served with the British Expeditionary Force in the First World War.