He was probably born around 1919 / 1920.
The Belfast Gazette dated 23rd June 1933 mentions the Rev. Wm Russell in a charitable bequest notice. A William Martin (manager) is also mentioned.
Russell probably joined the Belfast Banking Company around 1938 / 1939.
Russell is recorded in the 1966 annual accounts of the Belfast Banking Company as being sub-manager of Donegall Square North branch (Central branch).