Henry COLLINS appears to have the same neighbours both on the 1841/1851 census who haven't moved i.e. Mary WOOLETT - 60 Lady /Joseph GAITESHILL etc -

District 1 - Monmouthshire 1841

'All that part of Monnow Street Ward in the Town on Monmouth which lies to the South of Monnow Street

quite a few pages before is listed Monnow Street, before we get to......

Page 12

Henry COLLINS - 50 Fishmonger
Henry COLLINS - 13
James COLLINS - 9
Susan JAMES - 20 F/S Not born in County

just a few more houses - Page 13 - and then we have Glyndour Street