Jim, I have had a look at your family in 1881 and see that they had a child born Pembury, Kent ................. so ................
what about this one which ties in with one of those in 1861 above

1871
Ambhurst? Hill Cottages, Pembury, Kent
William THORPE head mar 36 ag lab b.Maresfield Ssx
Caroline wife 49 b.Mereworth Kent
George HARMON son 19 ag lab b.Tudely Kent
Fanny dau 13 b.Tudely Kent
Henry THORPE son 8 b.Tudeley
Stephen PRYOR lodger unm 18 b. (not known)
RG10/936 folio 10 page 12
It's a possible perhaps

Casalguidi