In the unknown or lost writings of "Buzennokuni fudoki" (records of the culture and geography of the Buzen Province) it is described that the name Kaharu-gami came from the fact that a god from Silla came and lived on the banks.
『豊前国風土記』逸文にも、新羅国の神が来て河原に住んだので鹿春神というとある。