Possible.
In 1921 she records her pob as Mynyddislwyn, Monmouthshire
1901 census
James Jones Head Married 48 Coal miner below ground b Trevethin, Monmouthshire
Hannah Jones Wife 38 - b Cinderford, Gloucestershire
Caroline Jones Daughter 10 - b Mynyddislwyn, Monmouthshire
Hannah M Jones Daughter 9 -b Mynyddislwyn, Monmouthshire
Sarah A Jones Daughter 7 - b Risca, Monmouthshire
Millicent Jones Daughter 5 - b Mynyddislwyn, Monmouthshire
Ada Jones Daughter 4 - b Risca, Monmouthshire
James Jones Son 2 - b Risca, Monmouthshire
Possible siblings Caroline and Millicent have mmn Roberts.
SS