I found an Oliver Jones born in the same area with parents called Richard and Elizabeth but this is NOT my Oliver as far as I am aware.Why do you think the above?
It is the only Oliver on fitting in 1901 and mmn is MATHEWS. There is a twin brother.
https://www.familysearch.org/ark:/61903/1:1:X9TY-S5HJONES, CHARLES mmn MATHEWS
GRO Reference: 1879 S Quarter in BEDWELLTY Volume 11A Page 120
JONES, HARRIET mmn MATHEWS
GRO Reference: 1884 M Quarter in BEDWELLTY Volume 11A Page 127
JONES, WILLIAM mmn MATHEWS
GRO Reference: 1886 D Quarter in BEDWELLTY Volume 11A Page 111
JONES, JOHN mmn MATHEWS
GRO Reference: 1889 S Quarter in BEDWELLTY Volume 11A Page 123
JONES, EDGAR mmn MATHEW
GRO Reference: 1891 J Quarter in BEDWELLTY Volume 11A Page 136
JONES, OLIVER mmn MATHEWS
GRO Reference: 1891 J Quarter in BEDWELLTY Volume 11A Page 136
JONES, MARGARET mmn MATHEWS
GRO Reference: 1893 M Quarter in BEDWELLTY Volume 11A Page 133
JONES, ELIZABETH mmn MATHEWS
GRO Reference: 1894 J Quarter in BEDWELLTY Volume 11A Page 126
JONES, RACHEL mmn MATHEWS
GRO Reference: 1896 S Quarter in BEDWELLTY Volume 11A Page 138
JONES, THOMAS mmn MATHEWS
GRO Reference: 1898 M Quarter in BEDWELLTY Volume 11A Page 144
JONES, RICHARD mmn MATHEWS
GRO Reference: 1900 J Quarter in BEDWELLTY Volume 11A Page 148
1891 census:
https://www.familysearch.org/ark:/61903/1:1:4KJ4-3ZMJamjar