I've found Claire's family on the 1891 census - the surname looks like Galleas, which is how it has been transcribed in the index. However, no John this time...
RG12/2252/115/18 - 58 Bloxwich Rd, WalsallGeorge Gallear Head 38 Coal Miner b. Walsall
Minnie Gallear Wife 32 b. Cannock, Staffs
Mary Gallear Dau 12 Scholar b. Walsall
Harry Gallear Son 8 b. Walsall
William Cooper Adopted Son 1 b. Walsall
Harry/Henry are interchangeable - Alice Gallear could be Henry's wife, rather than another sister.
I've found a
John Gallier aged 13, born Walsall, "Under Detention" in Bristol on the 1891 census - can't see anyone else who fits at present.

.
Rambler