Why it was named Itbayat

Source
1987.8.31. Mayan, Itbayat, Batanes. Alva Mina. b.1974.6.1

English Translation
There were once two persons in Itbayat who arrived from other town. People talked to them but they didn't answer. The two persons said, "What will be our answer?" The people said their name would be Itbayat.

Orignal
mian kono sa o dadoha a ka tawo dichbayat aya a na'savat a yapo do tarek a kavaxayan. galatan da sa no tawo o dadoha awi am ara alih o ipakatbay da. vatah da kono no dadoha awi a ka tawo, "akoh o itbay ta" kwan da kono, am vatah da no tawo sa awi am no ngaran da am itbayat.