Hello and welcome to RootsChat -which is free!!!
You will find there is a lot of information to be found freely - a lot transcribed by volunteers - an enormous amount of information frre by the Church of Jesus Christ of Latter Day Saints (commonly known as "Mormons") - the pay sites are for a reason - they have usually had to pay to transcribe images etc -and so it is a business -withoout paying subscriptions these companies would not be able to keep going .
Ancestry is a subscription site but you can have free access at a library.
Now for your request - are you certain Mary Ann is George's sister - if I am looking at the correct family Mary Ann is his wife?

there is this family
1871
16A Phenix Yard Phenix Stables Westminster London
George Price head M 38 labourer Newcastle Northumberland
Amelia wife 40 Chesham Bucks
GEORGE son 14 Chesham Bucks
James son 8 Westinster
Charles son 5 Westminster
Elizabeth daughter 3 Westminster
Alfred son 1 Westminster
RG10 109 100 40
if you look at 1881 (free to view at familysearch)census George is head of household with wife mary age 21, brother James 18, brother Charles 15, sister Elizabeth 13, brother Alfred 11, sister Rebecca age 8

?
Suz