Hi Don,
Thank you for your interest. Any assistance would be greatly appreciated.
I hope that I can help you in some way with your research.
I have found a John CATHER born c.1831 England or Ireland, arrived 1st
Jul 1855 aboard "Constantine", occupation Labourer, residence Adelaide,
religion Church of England, married <unknown>, children Sarah (1855-1855).
This was listed in "Biographical Index of South Australians 1836 - 1885, Vol
1.
...
Regards
Peter C D Cathery
6 Iris Court Mooroolbark
Melbourne Victoria
Australia