Born at Crickhowell, Brecon, the eldest of ten children; his father emigrated to Canada after practising for many years in Breconshire. The family of Bird had belonged to Herefordshire from Norman times, and the Gwynnes were an old Welsh family belonging to Cwnhordy. G G Bird was apprenticed to his father at the age of 16, and gained experience in the treatment of accidents at the ironworks. At the age of 20 he entered St Bartholomew’s Hospital, where his father had been before him, and gained the favourable notice of Abernethy. He assisted his father for three or four years after qualifying, and then settled in Swansea, where he was elected Surgeon to the Infirmary in succession to Ostler, to whose practice he also succeeded. After he had held the post for fourteen years he resigned and was appointed Physician and subsequently Consulting Physician. He was also Medical Officer to the Swansea Gaol and House of Correction. President of the Provincial Medical Association (1853), a Justice of the Peace, an Alderman and Mayor of the Borough. He published several pamphlets on Public Health and died in 1863. A portrait of him was published in the *Medical Circular*, 1853, iii, 129.