Hello,
Greek-Ctholic parish was in Hoszów. Records for Hoszów are in Przemysl state archive (since 1785-until 1871) and in Sanok archive (1872-1896), some years missing. Newer records perhaps still in the civil registry office. Mormons have births only for 1870-1908, filmed in Lwow archive (so the originals are perhaps there).
Zbyszek