It's all getting quite exciting Geraldine!
A great place to start looking would be the 1891 census
, which I couldn't help but have a quick browse through. Plenty of Georges, one of them on page 2 even a Valet, but unfortunately the wrong DOB. Another one is listed as Housekeeper, but also not quite the right DOB and I've not gone on to check the rest, there are 487 mentioned in just the county of London!
However, census takers weren't always the most accurate. I know that for quite a few years in my own family we were trying to figure out the mystery of the two wives! So it's worthwhile to check out a few of the Georges that are listed with a DOB that isn't quite what you're looking for. For instance there's a George Webb on page 6 that's a Butler, but his DOB is listed as 1864.
One thing to still keep in mind is that if George worked away and only came home for the holidays, that he may have told his family he was a butler because it sounded right and honourable as an occupation and could explain his travels and perhaps the money he had which enabled him to travel home for the holidays.
Hopefully you'll find a good link to him through the UK census!