Thank you so much for your prompt reply and taking the time for me. No, I'm not certain that Isaac was married in Victoria. We know that he was born in Soham,Cambridge, in 1827, was married for the 2nd time in Tasmania and also died there (my husband's father is a product of the 2nd marriage). We have no info at all re his 1st marriage (other than the Christian names, Mary Eliza). A distant cousin has detailed information about other members of the family, and he said that Isaac lived in Victoria before going to Tasmania, so the 1st marriage being in Victoria was a shot in the dark. His 1st wife died in Tasmania in 1887, 5 months before he married his 2nd wife.