On the 1851 Census - Eliza JONES is age 31 - c 1820.

1871 Census - Eliza is 50 c1821

Where is Eliza (BALDWIN) on the 1881 census age 70 (with Granddaughter CRUM) - c1811 (jumped 20 years)

1881 WALES, Monmouthshire, Penalt
Nr Parish House

Elijah CRUM - 37, Mason, born Monmouthshire, Llandogo
Harriett - 34 - born Glos. St Briavels c1847 (nee JONES)
William G - 9 - Coleford
Emma - 8 - born Coleford
Elizabeth 5, Eliza 4, Jessie 1

1871 Census, Newland, Milkwall

Elisha CRUM - 27 - Mason
Harriett CRUM - 23 - born St Briavels