Hi Donna, I found these entries on the 1851 UK census.
Winterbourne Earls, Wiltshire William London Head 70 Shoemaker Winterbourne Dauntsey, Wilts Mary London Wife 68 Laverstock, Wilts Wm Sidney London Grson 21 Shoemaker Salisbury, Wilts HO107/1845 Folio 302 Page 14
Winterbourne Dauntsey, Wiltshire George LondonHead 40 Shoemaker Winterbourne D, Wilts Sarah LondonWife 42 Idminster, Wilts Emily London Dau 16 Wherwell, Hampshire Thomas London Son 12 Wherewell, Hampshire Jane London Dau Wherewell, Hampshire Mary London Dau 5 Winterbourne D, Wilts Hannah London Dau 3 Winterbourne D, Wilts George London Son 3m Winterbourne D, Wilts Thomas Stevens Son in law 19 Lewisham, Kent Henry Hyde Lodger 35 Thatcham, Berks HO107/1845 Folio 285 Page 6
It seems there is a connection between these two families and it would be a good bet that William is the son of George. However, William's marriage cert would verify that.
On a web site called www.rootschat.com , someone may be able to find them on the 1841 census.