Hi All
Thanks for the very prompt replies. The mystery thickens:
This is the entry in 1881
CENSUS
1881
Household:
 Name    Relation   Marital Status   Gender   Age   Birthplace   Occupation   Disability   
 Marie RICHARDS    Wife (Head)  M     Female     36     London , London, Middlesex, England     Hotel Keepers Wife         
 Marie PHILLIPS     Stepdaur U     Female     19     London Woolwich, London, Middlesex, England     Hotel Keepers Daur    
 Tom PHILLIPS     Stepson     U     Male     17     London , London, Middlesex, England     Mineral Water Maker         
 Fred PHILLIPS     Stepson          Male     13     Scotland     Apprentice to Dentistry         
 Nelson PHILLIPS     Stepson          Male     10     Aberystwyth     Scholar         
 Annie RICHARDS (PHILLIPS)   Daur (St)     Female     7     Wrexham, Denbigh, Wales     Scholar         
 Florrie RICHARDS     Daur          Female     5     Wrexham, Denbigh, Wales     Scholar         
 John RICHARDS      Son          Male     2     Wrexham, Denbigh, Wales              
 George RICHARDS  Son          Male     1     Wrexham, Denbigh, Wales              
 Elizabeth GRIFFITHS Serv     U     Female     16     Rhos, Denbigh, Wales     General Serv         
Source Information:
    Dwelling     23 Blossoms Inn   
    Census Place   Wrexham Regis, Denbigh, Wales   
    Family History Library Film     1342327     Public Records Office Reference     RG11   
    Piece / Folio     5520 / 90   
    Page Number     7   
Household:
 Name    Relation   Marital Status   Gender   Age   Birthplace   Occupation   Disability   
 John SHILCOCK     Head     W     Male     78     Spalding, Lincoln, England     Retired Surveyor         
 Frederick RICHARDS Visitor     M     Male     32     Wrexham, Denbigh, Wales     Hotel Keeper         
 Elizabeth DAVIS     Ser     W     Female     64     Hampshire, England     Cook Domestic         
 Emma HILLIAM     Ser     U     Female     18     Fleet, Lincoln, England     Housemaid Domestic 
Now I am totally mystified! Any thoughts?