It is believed that Okuninushi no mikoto was separated and transferred from Izumo Taisha Shrine (Kizuki Taisha) in Izumo Province but there is also the theory claiming that it was in fact the reverse and that the deity of Izumo Taisha Shrine was transferred from Izumo Daijingu Shrine, which is colloquially referred to as 'Moto Izumo.'
大国主命については、出雲国の出雲大社（杵築大社）から勧請したとされるが、逆に出雲大社の方が当社より勧請を受けたものとする説もあり、俗に「元出雲」とも呼ばれる。