Hello Casalguidi,
Thanks for suggesting the igi info I had tried this in the past and came up with other children of David and mary Whibley all born at Horsmonden in Kent, but, and there are some but's, -
1) the birth date entry in the bible is by another hand and in pencil unlike all the others of the time !
2) the marriage info gives the following - marriage between Abigail Whibley and John Sands on 23 JUL 1776 at Ightham, Kent (this is confirmed in the igi) but nether the bible nor the igi gives her parents or date of birth !
So it leaves me high and dry ! I tried rootsweb/ancestry forum and got no trace of abigail fro the other Whibley researchers.

Any ideas?

Regards and thanks from - Luc.