Heres my theory but thats all it is
James C Mc Intosh (17)
1864 Newcastle on Tyne clerk coal owners office
1881 census Anster Villa Elswick
RG11 5055/160/20
Elizabeth E Hindhaugh (16)
1865 Newcastle on Tyne grocer and seedsellers dau James deceased
1881 census Woodbine Villas Elswick
RG11 5055/154/8