Emily Elizabeth's birth was registered in the first quarter of 1870 in Clifton. But her death was registered in the second quarter of the following year, aged 1.
However I have baptism records for both Elizabeth Emily and Elizabeth Harriett both from 1879, so neither can be Emily Elizabeth.Both have parents listed as William and Isabella Cotterell, although I only ever found the birth record for Elizabeth Emily in 1879 (1st quarter).So I'm still a little lost on that one!Not Elizabeth Harriett, and cannot find any other record where they both appear, or where one has died.
With regards to William Cotterell (born 1848), who married Isabella:-
he had a sister called Elixabeth (born 1860), who I can trace, I think, up to her death; but they also had a brother called Jospeh Cotterell born ~1850...he appears on 1851 census at 5months, and the following census in 1861 aged ten, but then I can't find any other record of him at all - do you have any leads on this one?