I have found the following on Find My Past but can't find the marriage between Rosa Moody and Henry Thomson:

Birth
Name: MOODY, Rosa Ann
Registration district: Newent County: Gloucestershire
Year of registration: 1867 Quarter of registration: Jan-Feb-Mar
Volume no: 6A Page no: 245

Marriage
Name: MOODY, Rosa
Registration district: Marylebone County: London
Year of registration: 1886 Quarter of registration: Jul-Aug-Sep
Volume no: 1A Page no: 1185
Name: COX, Henry
Registration district: Marylebone County: London
Year of registration: 1886 Quarter of registration: Jul-Aug-Sep
Volume no: 1A Page no: 1185

Death
Name: THOMPSON, Rosanna A
Registration district: Forest of Dean County: Gloucestershire
Year of registration: 1947 Quarter of registration: Jan-Feb-Mar
Age at death:80
Volume no: 7B Page no: 545

Not sure if this helps or hinders?!