Chris I have trawled the deaths in Vic and can see no death for Mary McLELLAN [searched Mary McLel*]before 1871 - year of Elizabeth's marriage. There is a death registered in a similar name in 1851 - but info transcribed from Roman Catholic parish records. The marriage cert may note whether or not she was Presbyterian.
It is wonderful having records in a family bible however I decided to purchase a couple of certificates when I found writing difficult to decipher. Some dates of death recorded in the bible were different to the certificates. Two dates in the bible were noted after the burial date
. The dates on the headstones were the same as the certificates. I suppose what I am advising is it may be a good idea to occasionally purchase a certificate or two. I would purchase initially, the marriage certificate of John McLELLAN and Mary TREVENA to see if there is any information that may help you.
It may also be worth having a look at the passenger records on the
Thetis - this is the only record that I can find with the name TREVENA however there is this record which may also be worth looking at..it is the same person but entries on two pages in Book 4. There should be more information on the fiche as these records are for Assisted Passengers.
TRAVINE Mary 34 years arrived Jan 1849
Duchess of Northumberlan Book 4 Page 255
TRAVINE Mary same as above but page 266
I think the 'd' has been omitted from the ship's name on the index but you will need to search using the ship's name as above.
The Surgeon's report should note the names of those who died on the voyage from England to Melbourne.
Cheers
Cando