Could this also be your David Thom?
David Thom was charged with intended wife desertion and was remanded to Atherton. Bail allowed, himself in £40, and two sureties of £20 each, and was ordered to report himself at the Atherton Court by a given date.
There are also records of a David Thom aged 42 , born Scotland , status SINGLE,????, stated he was a tourist in Australia, intended to be a farmer in Canada, Port of Arrival Victoria B.C, Port of departure, Sydney Australia, Ship "Zealandia", Arrived Canada 17 Sep 1912.
He seemed to be quite a traveller as he was back and forwards to Sydney and Canada several times.