Mary Jane was daughter of Mary Ann and George Cooper who lived in Cinderford. My Grandmother tells me she married Bert Watts. I can't find any reference to this, can anyone?

Name: Mary Jane Cooper
Date of Registration: Jul-Aug-Sep 1899
Registration district: Westbury on Severn
Inferred County: Gloucestershire
Volume: 6a
Page: 289

1901
Noah Jones abt 1861 Ruardean, Gloucestershire, England Head Abercarn, Monmouthshire
Sarah A Jones abt 1872 Ruardean, Gloucestershire, England Wife Abercarn, Monmouthshire
Albert E Jones abt 1892 Mynyddyslwyn, Monmouthshire, Wales Son Abercarn, Monmouthshire
Richard J Jones abt 1894 Mynyddyslwyn, Monmouthshire, Wales Son Abercarn, Monmouthshire
Mary J Cooper abt 1900 Cinderford, Gloucestershire, England Adopted Daughter Abercarn, Monmouthshire

1911 4 Lower Viaduct Terrace Crumlin
Noah Jones 50
Sarah Ann Jones 48
Albert Jones 17
Prichard Jones 17
May Jones 11 Cinderford
William Jones 7
Ivor Jones 3
George Cooper 44 cinderford

Name: May Cooper
Spouse : Albert E Watts
Date of Registration: Jan-Feb-Mar 1918
Registration district: Pontypool
Inferred County: Monmouthshire
Volume Number: 11a
Page Number: 209

Name: Mary J Watts
Birth Date: abt 1899
Date of Registration: Oct-Nov-Dec 1954
Age at Death: 55
Registration district: Newport
Inferred County: Monmouthshire
Volume: 8c
Page: 232