http://www.forum.forest-of-dean.net/index.php?mode=thread&id=4476#p4476

looks like they have moved away from the area since 1891
is there any suggestion in your family that they moved to Wales ?

Name: Charles Probert
Estimated Birth Year: abt 1849
Year of Registration: 1892
Quarter of Registration: Apr-May-Jun
Age at Death: 43
District: Pontypool
County: Gwent, Monmouthshire
Volume: 11a
Page: 108

Name: Sarah Probert
Estimated Birth Year: abt 1848
Year of Registration: 1896
Quarter of Registration: Apr-May-Jun
Age at Death: 48
District: Pontypool
County: Gwent, Monmouthshire
Volume: 11a
Page: 99

1901
Edith Probert abt 1885 Kempley, Herefordshire, England Servant Marstow Herefordshire

1891 Ross District 7 Bury Hill

Charles Probert abt 1847 Linton, Herefordshire, England Head Weston under Penyard Herefordshire
Sarah Probert abt 1853 Newent, Gloucestershire, England Wife Weston under Penyard Herefordshire
Edith Probert abt 1883 Weston, Herefordshire, England Daughter Weston under Penyard Herefordshire
Florence Probert abt 1888 Weston, Herefordshire, England Daughter Weston under Penyard Herefordshire
Henry Probert abt 1885 Weston, Herefordshire, England Son Weston under Penyard Herefordshire

1901 Berry Hill Weston under Penyard Herefordshire
Milson Probert abt 1864 Linton, Herefordshire, England Head
Emma Probert abt 1865 Weston, Herefordshire, England Wife
Albert Probert abt 1890 Weston, Herefordshire, England Son
Alfred Probert abt 1880 Weston, Herefordshire, England Son
Ethel Probert abt 1894 Weston, Herefordshire, England Daughter
John Probert abt 1892 Weston, Herefordshire, England Son
Kate Probert abt 1888 Weston, Herefordshire, England Daughter
William Probert abt 1886 Weston, Herefordshire, England Son

this family is there in 1891 as well
Milson Probert 35
Emma Probert 34
Albert Probert 1
Annie Probert 7
Ellen Probert 9
Emma Probert 13
George Probert 15
Henry Probert 11
Kate Probert 3
William Probert 5