I think one needs to treat online trees with great caution. I can't understand why you were confused if, as you say, you had found Emma's death.
I have researched the majority of the sites you listed but not the Return of sick and destitute emigrants receiving relief 1840. Is this available online or do I have to go to a library?
Aileen
They are not websites but resources.
Perhaps you could share what you have found as it may help the new chatter on the thread, corona2883 [Jenny] who is also researching this family. I thought you would have acknowledged her

1. E A D Opie, South Australian Records prior to 1841, Adelaide, 1917
2. Register of Emigrant Labourers Applying for a Free Passage to South Australia 1836-41, PRO CO 386/149-151
23 1841 South Australia Census Returns, SAA, GRG24/13
http://www.jaunay.com/cgi-bin/search-census.cgi29 Return of sick and destitute emigrants receiving relief 1840, SAA, GRG24/1
1. Try SLSA.
2, 23, 29 -The resources SA Archives hold the prefixes SAA and PRO and this last resource may be for Clarissa whose husband Peter
JOHNSON deserted her and the children for six years. Some resources may also be at SLSA.
Cando