1900 Nelson Street appeared only once in the Vancouver directories. In 1906 it was the address for Donald Greenfield Macdonell.
It seems to have been either a temporary address or, perhaps, a mistaken entry for 1906 Nelson Street.
Vancouver directory listings for 1906 Nelson Street:
|1907 to 1916||Donald Greenfield Macdonell|
|1917 to 1931||James Murray Lay|