His father was Eric Hartfell Nelson (15 - 1901 Irish Census living in house 10 Marlboro Park, Belfast). His mother ws Mary Frances (Florence) Nelson (nee Watson).
The family were of Church of Ireland faith.
Eric Nelson (father) appears to be mentioned in the Belfast Gazette of 30th September 1927 in an item regarding the "Estate of William Herbert Nelson and Eric Hartfell Nelson, Trustees of the Will of Horatio Nelson Dceased."
On 1st April 1937 Nelson joined Northern Bank at Head Office. Transfers follow to Newtownstewart, Head Office, Coleraine and Head Office.
On 6th March 1941, Nelson was ‘Called up on Active Service’ on 16th February 1943 into the Royal Navy as a Rating. However, on 21st June 1943 he was discharged from the Royal Navy owing to ill-health.
On 11th September 1944 he resumed duty with the Northern Bank at Head Office. Transfers followed to Connswater (1944), Windsor (1946), Head Office (1951), Banbridge (1952), Claudy (1953), Head Office (1956), Portaferry (1956), Willowfield (1959), Crumlin Road (1963) and Windsor (1967).
The Campbell College Register of Lennon Wylie records Nelson, Gerald Eric Pat (D), b. 24th February, 1919, son of E. H. Nelson, Old Comber Road, Dundonald, Belfast. V, July, 1936. Northern Bank Official. 1939-45 War: R.N. Address: Ardmore, Saintfield Road, Belfast. (M.)
Acknowledgements to lennonwylie.
'The Campbell College War Record 1939 - 1945' records Nelson as serving in the Royal Navy as an Ordinary Seaman.
Nelson retired on 31st March 1982 from Windsor branch.
The Staff Magazine ‘The Link (Summer 1982)’ contains an article and photograph of Nelson.