It looks like they must have rented lodgings at 8 Netherfield Road North there doesn't appear to be a family link to the address. On the 1901 Census number 8 is occupied by a Russian bootmaker called Solomon Silverstein and his family.
Gore's Directory 1900 has only 8A Netherfield Road North, occupied by James Cavanagh.
Gore's Directory 1899 has Edward Murphy bootmaker at number 8 and at 8A Joseph Owen.
Here is a numbered c1950 map.