Thank you Karen,  that is most helpful.
Please would you be kind enough to look on the 1871 census for William's father and sisters?
1861 Census they were at Red Lion Public House  White Chapel North, Middlesex.
William Nicholls  Head   Wid    Carpenter Devon
Ann Matilda Nicholls  Dau unmarr   20   Dressmaker   Devon  Potren 
Elizabeth Nicholls  Dau   unmarr   18     Middlesex  Limehouse.
Cheers,
Narelle.