Family stories say he abandoned his wife and child in Dunedin, and moved to British Columbia in Canada where he changed his name to Thomas McDonald. One story says that the wife's child was not his child and he was very embarrased when he found out that his wife had had an affair. and so he left New Zealand. Another says he adopted a boy named Roy - but whether that was done in NZ or in Canada, is not specified.
Birth Record - 1881/9179 - BDM Online - DIA - Dept Internal Affairs - New Zealand
It may be possible to confirm family relationships with Thomas by comparing test results with other
carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: