Found this on familysearch - think it is the robert on the grave.
They come from the same areas, same type of work. but will hold judgment for a while
1881 census
Richard GLOAG Head M Male 42 Whitefield Tin Plate Worker
Sarah Ann GLOAG Wife M Female 43 Newton Heath Silk Winder
Robert GLOAG Son U Male 14 London, London, Middlesex, England Tin Plate Maker
Sarah Ann GLOAG Daur U Female 10 Manchester Scholar
Geo. John GLOAG Son U Male 11 London, London, Middlesex, England Scholar
Walter GLOAG Son U Male 4 Manchester
RG11 /3986 f: 66 P: 19
