cnd, I hear the similarity too. (I apologise because I forgot to look for this tune when you mentioned it so I've delayed in commenting on it.)

Tommy Jackson - Sugar in the Gourd

In fact, I was just thinking of St Annes Reel) (plus The Merry Blacksmiths starts at 2 m 10 s on video) , not because I think it's the same tune, but because of the similarity of the rhythm and style.

According to the book Folksongs of Australia Volume 2, by J. Meredith, R. Covell and P Brown, Stan Treacy was born in 1900 and played fiddle for dances in Crookwell, NSW in rural Australia.

There is a tradition of a lot of American tunes coming to Australia, especially from the many gold diggers who came over here from the U.S.