The document on Mabalor was poorly researched and gave little historical information. The barrio’s original settlers were the Panganiban, Portugal, Repollo, Gomez and Bicol families. The earliest barrio lieutenants were Braulio Panganiban, Victorino Rabano, Gavino Rosaria, Juan Gomez, Jose Gomez, Roberto Repollo, Rafael Portugal, Victorino Rosaria, Geronimo Bicol, Juan Rosario, Roberto Repollo, Ciriaco Alido, Roque Rabano, Vicente Rosaria, Telesforo Gomez and Leoncio Repollo.
Mabalor is situated at approximately 13.7811, 121.1635, in the island of Luzon. Elevation at these coordinates is estimated at 118.8 meters or 389.8 feet above mean sea level.