1851 Census shows:
William Webb, head, 35, Labourer, born Shaugh
Hannah Webb, wife, 38, born Shaugh
Agnes Webb, daur, 7, born Shaugh
Eliza Webb, daur, 5, born Shaugh
Martha Webb, daur, 1, born Shaugh
Living at 50 Hoe Cottages, St Andrew, Plymouth
1871 Census shows:
William Webb, head, 57, Quarryman, born Cornwood, Devon
Hannah Webb, wife, 57, born Shaugh
James Webb, son, 22, Quarryman, born Shaugh
Josephina Webb (I personally think the name on the census looks like Trephina but can't find any reference to prove that), daur, 18, born Plymouth
George Webb, son, 11, scholar, born Plymouth
Living at 39 W Hoe Cottages, St Andrews, Plymouth.
Hope this is of help, can't find anything for 1861.