In looking through the Australian Merchant Ship Movement Records at: Australian Goverment Merchant Ship Movement Records
I noticed an interesting ship. Its name gave the impression of being of Aboriginal origin but the ship was Swedish. It was a motor vessel of high "service speed", which I interpret as WITP cruise speed, and therefore very useful.
Further research showed that there were four similar ships, all of which were in the Pacific. All four were owned by Rederi-A/B Transpacific and served the Australia/South Pacific route. Reported speed for these ships varies between sources. Australian Merchant Ship Movement Records indicate 16 Knots service, Talbot-Booth says 17/20, and World's Merchant Fleets gives 14.5-15 knots. I'm inclined to go with the Australian Movement Records, which is a wartime voyage record and is incidentally right in the middle.
Goonawarra: Arrived Melbourne Dec 20, 1941 from Los Angeles. Two pages of movement records show US and Australian ports for the entire Pacific War.
Kanangoora: Arrived Sydney December 8th, 1941 from Los Angeles. This is on the second of four pages of movement data through 1945, all in the Pacific
Mirrabooka: Arrived Melbourne December 6th, 1941 from Sydney. This on second of six movement pages in the Pacific.
Parrakoola: Arrived Sydney January 5, 1942, apparent from San Francisco (previous entry arrival at San Francisco 11/8/41. Also multiple pages of Pacific movement throughout the war
