Barangay Sto. Niño was founded on 1953 by the first Teniente del Barrio/Capitan of the barangay, Hon. Sr. Semeon Amora.
The early inhabitant of Barangay Sto. Niño was the Cebuanos, Boholanos and Mansakas. Kao is also rich in species, birds such as the uwak, tukmo, punay, maya, and perok-perok. Elaborately, they are also home of hantik and apan-apan.
Barangay Sto. Niño fiesta is celebrated every 15th of January.