Was Australia called Australia in 1901?

Yes. Australia had been known by this name since 1824. Matthew Flinders was the one who suggested the name "Terra Australis" and this became Australia, the name officially adopted in 1824.
Yes. Australia had been known by this name since 1824. Matthew Flinders was the one who suggested the name "Terra Australis" and this became Australia, the name officially adopted in 1824.