Not researching this surname. Have a question. What documents do you have that suggest Austria? A map of Austria of old: http://users.erols.com/mwhite28/austhung.htm
You need to locate a precise place of birth among the US documents to proceed with the research over the big water.
54 TARABAs came thru Ellis Island to America. Could your ancestor be among them? www.ellisislandrecords.org
I find TARABA in Poland, in Slovak Republic, in Czech Republic. Do you know what language was spoken by your ancestor?