Here is the record of marriage, Thomas' father was Silvanas...you weren't that far out:
Query ----- Given names:thomas (9775 matches) Bride:jones (657 matches) Given names:jane (9462 matches)
Total matching records: 4 --------------------
Groom: DAVIES Given names: Thomas Bride: JONES Given names: Jane Date: 1874-02-06 Groom Age: FL Status: S Groom's Father: Silvanas DAVIES Bride Age: 18 Status: S Bride's Father: Jacob JONES Place: Res of Rev M Williams Kapunda District: Kap Symbol: Book/Page: 98/292 Cross Reference:
I could not however, match a birth. The closest "different" name for a father of a Thomas Davi(e)s was Eli ? Birth in 1850.