Looking for Any Records Relating to ME

The main four surnames I'm looking for information on are;

-Pecotich/Pečotič(migrated to Australia during the 50's/60's from Pupnat, Korcula)
-Pasalich (migrated to Australia during the 20's/30's from Croatia, possibly Tucêpi)
-Giovannoni (migrated to Australia during the 50's from Italy)
-Tallon (migrated to Australia during the 20's/30's from Italy)