It's true that it wasn't what I wanted to hear but I am (perhaps belatedly) a stickler for accuracy, so many thanks for the replies.
I guess that my assumption was based on finding an Elizabeth born at the right time in Kingstone, especially given that it was only a small parish. Obviously disappointing, especially as I often tell friends with the same interest to check all possibilities. I should have had the same advice 20 years ago!
However - before I send a lot of apologetic emails to America, what would clinch it would be an idea of what in fact happened to my relative Elizabeth Fisher. I know that she was baptised at Kingstone on 15th May 1812, the daughter of William Fisher (1780-1862) and his wife Hannah (nee Abberley, 1777-1861). They had 8 children, the eldest being my great-great-grandmother Ann, and the others were Walter, William, Joseph, Charlotte, Elizabeth, Jane and Hannah.
Her father was born in Abbots Bromley, Staffs, and the family lived in various villages around that area - mainly Blithfield and later, Colton. Charlotte was born in Kingstone in 1809, as was Elizabeth in 1812. But the next and youngest two children, Jane and Hannah, were both born in Drointon in 1815 and 1817. Except for Elizabeth, I have marriage records for all of them and have found them in 1841. So she must have either died or married by then.
Any info, or thoughts? Perhaps I should start a fresh thread on this.
Meanwhile, best wishes to all and thanks for the info - more than I expected on Christmas Eve!