A search brings up this site with useful census data of Rosewarnes only
There are details on the census of 1841, 1851, 1861, 1871, 1881, 1891, (1841 was the 1st)
The 1871 census reveals
then there is the 1881 census
|St Austell||Jane Ann||W||44||Retired Grocer||Hayle|
|William J||14||Drapers Assist||Hayle|
Richard John has left Jane as a widow, apparently he was killed in an accident involving a horse and cart.
The family have moved to St Austell. Richard Charles has passed away, but there are the additions of John and the two daughters.