Hi maddys52, thanks for the input.
Yes, I noticed the discrepancy between Goulburn District and the Rivertree remark, and I too wondered about the 300km or so distance.
In the list of children in the Western Mail notice of 4 Aug 1927 there was one missing, who was Rebecca Myrtle, and I think I have birth and death info from the NSW records (but have not had access to certificates or more complete information). I did work out that Ada Annie's death registration was 28 Jul 1872. Similarly, I got the marriage reg date to 11 or 12 May 1889 for James McIntosh WILSON and Ada Annie / Annie Ada McFadden.
Their children are as follows -
Annie Hazel Isobel Mary b. 1891 Captan's Flat, NSW
Alton James b. 1893 Tenterfield, NSW
Ivy RAchel b. 1894 Tenterfield, NSW
Eric John b. 12 Sep 1895 Hillgrove, NSW
Rebecca Myrtle b. 1897 Western Australia
Alan William George b. 1901 Coolgardie, Western Australia
Their marriages and children and places and date of death are also fairly well known (w/o any certificates, but from some family information) and all of those children died in WA. Also, James McIntosh lived for many years in the southwest of WA (Kulin and Trayning) and died in the city (Maylands, a Perth suburb).
There is a suggestion that James McIntosh WILSON followed the development of mining around NSW (not just gold mining), but I can't discover from newspapers or other sources anything much about him. I'm not living in WA and haven't contacted some Wilsons in those southwest towns who may have some ideas.
I have 9 names including Ada Annie as children of James McFadden and ?? Mary Ann MULLENS, and most of them were born in Goulburn, one in Queanbeyan, one in Bungendore (all NSW) between 1872 and 1891. Apart from Ada Annie, I haven't chased place and date of death for the other 8.
Apart from being a bit uncertain in the bare life statistics, I don't know much about these people and their lives and communities and on short visits to Hillgrove over the past couple of years, it was an interesting place in the 1890s through to early 1920s (with a few revivals of mining right up to the present).