Just found the family on the 1881
Market Street, Rhos
RG11/5513/6/6
Jones
Ann, wid,49, charwoman
George, 16, coal miner
Daniel, 14, Coal miner
Mary, 12, scholar
All b. Rhos
1891
Market Street,Rhos
RG12/4612/142/17
Jones
Ann, wid,59
George,26, coal miner
Daniel, 23, Coal miner
Mary, 22
John E Davies, grdson, 6 months
All b. Rhos
Sian - having seen the additional info that you sent, I think that this is more likely than the Sweeney one as George is consistent with his place of birth as Rhos.
Gadget