if was stated Austria, he was from crownland Galicia now Poland and Ukraine. the name is ukrainian.
http://www.ellisisland.org/search/matchMore.asp?LNM=PANASIUK...

Galicia: http://www.zolynia.org/images/galicia-map-f.gif
http://en.wikipedia.org/wiki/Kingdom_of_Galicia_and_Lodomeri...
http://en.wikipedia.org/wiki/Galicia_%28Eastern_Europe%29
http://www.torugg.org/History/history_of_galicia.html


Galicia Panasiuk: http://www.google.at/#hl=de&gs_nf=1&pq=galicia&c...
Panasyuk to find in list for surnames of ZBARAZH, former Eastern Galicia. look if you find your ancestor.
360 Panasyuk Prokip 480 Panasyuk Teodor:
http://www.torugg.org/zbzrazh_surnames.html
also this list has Panasiuk, stated at some also places in Galicia:
http://records.ancestry.com/Default.aspx?sname=Pan&dc=10...

Galicia Panasuk: http://www.google.at/#hl=de&sclient=psy-ab&q=Galicia...