Names of the Sitios within the Territorial Jurisdiction of the Barrio
-As a barrio it has three different sitios as Mahabang Parang, Munting Sulok and Tangkaban. Tangkaban and Mahabang Parang are well populated. Original Families
-The original families of the barrio were the Landicho's, the Ariola's, and the de Ocampo's. These families were the descendants of the Taaleno who settled along Taal Lak
e. To this day they are still the leading families of the place. List of Tenientes from the Earliest Time to Date
-Santiago Landicho
-Alejandro Landicho
-Epifanio Landicho
-Mariano de Ocampo
-Benito Landicho
-Felix Landicho
-Jose Landicho
-Wenceslao Landicho
V. Spanish Period
-During the Spanish occupation, some insurrectos in order to escape th Spanish tyranny and punishments took refuge in some of the thick forests and deep caves along the river banks of Tangkaban, a sitio of Bayorbor. World War II
-During the Japanese incumbency, the town of Mataasnakahoy was occupied by Japanese soldiers. These soldiers roamed around the town and reached even the remote barrios for food. They had frequent visits to Bayorbor, this place being two kilometers away from town.
-When the fight grew intense, the Japanese employed men to go for them. On December 5, 1944, they began to massacre all men they could take hold. Several men from Bayorbor were victims of each horrible acts and foremost of them were the Lobrin brothers who were hit by the parachutes bombs on their way home from their barrio hut, and the barrio lieutenant, Mr. Benito Landicho.