Here is Amelia in 1891 - might be a clue there about her mum's family!
RG12 2248 24 46
4 Fishley Lane
Walter Chappel 25 Boatman
Elizabeth 23 wife
George 3
Maud 1
William Stockley brother-in-law 28 Mar
Thomas 8 nephew
Amelie 6 neice
It says Married for William, so I dont know where Margaret is - though it could be an error