At the start, only few families were residing in this place but as the years passed by, people who owned Agricultural land in this place came to reside here. Those without land bought a piece of land from the Suaviso Family. Population increased very rapidly until it became a barrio.

People of this locality could not exactly trace out how their barrio got its name. However, old folks believe that it originated from the name of a beautiful flower with different colors that bloom around the house of the residents.

One day, a stranger reached the place and was very much attracted of the flower with different colors that he asked for its name. The people told him that it was “Cayanga”. Since then, the place was called “Carangag” that was derived from the name of the flower.

When the Spanish regime officially begun and be appointed in all places in the island, all tried to improve the living conditions of the people. After that regime, there was an election of officials. To mention some of the elected officers, they were Capt. Honorato Castillo, Councilman Exequiel Aquino, Isidro Sunguad, Sabas Aquino, David Solero, Jose Tarroquin, and Jose Tabios – all have done a lot to improve the barrio.

In 1949, classes were organized in this barrio. The first teacher to be assigned was Mrs. Alejandra Lopez as the teacher in – charge of the school and handling Grade IV and Mrs. Maria Hernandez handling Grade I. Several teachers were assigned up to this time. At present, there were four teachers occupying a SPP Building which was donated by the American Government with the cooperation of the parents and officials of the barrio.

Carañgag is one of the nearest barrio of the poblacion which is two and a half kilometers from the town. Their main products are abaca, copra and a little lumber.