there are 2 possiblilities for john ellis on the 1851 cencus-
this is the first family-
living at 97 bold street,mount pleasant liverpool in 1851-
micheal ellis 55yrs cabinet maker and carpet weaver born london middlesex
elizabeth 44yrs born liverpool
john 12yrs born liverpool
margaret 11yrs born liverpool
sarah armstrong sister widow 67 yrs born london middlesex
margaret thomas sevant 25yrs born liverpool
mary hughes servant 16yrs born liverpool
SOURCE INFO-H0107-2182
FOLIO-57
PAGE-43
this is the second possibility-and very interesting if the parents birth places are anything to go by

living at howerd street,liverpool in 1851
john ellis 48yrs foundery labourer born caernarvon wales
elizabeth 50yrs born caernarvon wales
edward 22yrs moulder born liverpool
john 12yrs scholor born liverpool
SOURCE INFO-H0107-2178
FOLIO-469
PAGE-47
maybe when you get the certificate you will know which is yours for sure
regards
alli