Query on Thomas ISBELL

There is an added issue in that Elizabeth Britt - Isbell was born in 1800 but married her 1st husband Thomas Gay in 1795 (five years before she was born)

Duncan Hodder could you please add sources

http://indexes.records.nsw.gov.au/ebook/list.aspx?Page=NRS5316/4_47... tells us that Mary Ann SHARP was 27 and a native of Wisbech when she emigrated to Australia on "Kate" in 1849 making her born c1822

There are 2 Victoria Death Records that might be Mary Ann SHARP

Event: deaths
Registration number 5609 / 1896
Family name: SHARP
Given name(s) Mary Ann
Place of event: Cudgewa, Australia
Personal detail
Mother's name <Unknown Family Name>, Unknown
Mother's family name at birth UNKNOWN
Father's Name: <Unknown Family Name>, Sharp Isbell

Event: deaths
Registration number 11787 / 1896
Family name: SHARP
Given name(s) Mary
Place of event: Wmstown, Australia
Personal detail
Mother's name <Unknown Family Name>, Elizth
Mother's family name at birth WISHART
Father's Name: <Unknown Family Name>, Lamb Jas