Edmund was born on 26th August 1874 in Kensington, London to parents Isabella and Charles Lindsay Cox, a Surgeon General in the Bengal Medical Service.
In 1881, aged 7 he was listed on the census, the youngest of 5 children, living at 'Avondale', Canynge Road, Clifton, Bristol. His father was mentioned as being retired, aged 66.
10 years later, in 1891 he was recorded at Cleveland House - a student at Weymouth College, followed by Bristol University College. He then began more study at Calius College, Cambridge on 1st October 1892.
He held the appointment of Clinical Assistant in the Medical Out Patient Department of the London Hospital and joined the Navy on 11th February 1901, obtaining first place in the entrance exam.
In June 1901 he was awarded the Microscope, Silver Medal and Books - prizes gained at the passing out exam at the end of the Haslar course.
He served in Home waters aboard HMS MARS and HAWKE and was appointed to HMS SPEEDY in 1903, which was stationed in the Mediterranean. Returning home in 1905 he departed for China aboard HMS DIADEM, serving for 2 years.
Once home again he served 2 more years on the staff at Chatham Hospital.
He was promoted to Staff Surgeon in 1909, returning to sea again on HMS LEDA and in 1911 he was aboard HMS MINOTAUR, a First Class Armoured Cruiser, stationed in Hong Kong at the time of the census.
Returning home again he served at Dartmouth College, HMS ARIADNE and ATTENTIVE.
He was posted to HMS HILARY for almost two years before his posting to HMS VANGUARD in July 1916.
He was fond of games, a keen worker, full of energy and earned a very high reputation among his various commanding officers.
#220 - 207/843
1881, 1891, 1901 & 1911 England Census
British Army and Navy Birth, Marriage and Death Records, 1730-1960 National Archives of the UK; Kew, Surrey, England; Admiralty and predecessors: Office of the Director General of the Medical Department of the Navy and predecessors: Service Registers and Registers of Deaths and Injuries. Registers of Reports of Deaths