The son of Thomas Mordey, shipowner; studied at Guy's and St Thomas's Hospitals and afterwards in Paris. He commenced practice in Sunderland in 1826, when he became well known during the cholera epidemic of 1831-1832. He had charge of the Cholera Hospital and was generally praised for the good service rendered. During a further epidemic of cholera in Sunderland in 1848-1849 he was again of service acting as Cholera Surgeon to Sunderland and Hartlepool, and as Quarantine Medical Officer. For twenty-five years he was Surgeon to the Sunderland Infirmary. He served as a Magistrate and Alderman, distinguishing himself by promoting sanitary improvements, and in forming the People's Park. A sufferer from gout, which ran in his family, he sustained a compound fracture of the leg, which impaired his health. He had an apoplectic seizure and died on the following day, September 15th, 1863, at 59 John Street, Sunderland. Publication: *History and Medical Treatment of Cholera, as it appeared in Sunderland in* 1831 (with W HASLEWOOD), 8vo, London, 1832.