He was articled to local architect W. D. Blessley, studied at Cardiff School of Science and Art and won the Architectural Association medal in 1880.
[3] The building described as his "masterpiece" is St James Church on Newport Road, Cardiff, completed in 1893.
[3][4] While serving in the Glamorganshire Home Guard of the Volunteer Force he rose to the honorary rank of Lieutenant-Colonel.
[1] Vaughan died in June 1919 "one of the best known men in Cardiff"[2] He had a well-attended funeral at St John's Church and was buried at the cemetery in Adamsdown.
[1] Vaughan was designer of 45 churches in Glamorgan beginning with St Mary Magdalene, Cwmbach (1881/2).