Sorry Mama/Marg for the delay in replying. Have been away.
Some things can't wait for the weather to improve!

You may find something in a report in a newspaper, but not sure how easy it would be, in Townsville.
Local paper is the "Townsville Bulletin" which presumably was in publication in 1907.
Otherwise, yes the only way I know of would be to get the actual certificate. Is it vital to know which church or whatever, if you already know it's Townsville?
Dawn M