There is no description other than of the genealogy in the Kiki (Kojiki and Nihonshoki), but in the Kogoshui (Gleaning of Ancient Words), there is a story about the rice seedling in Otokonushi no kami's rice field that is almost running dry due to a curse by Mitoshi no kami, and how they grew when Otokonushi no kami prayed to Mitoshi no kami with offerings of a white horse and a white hog..
記紀には系譜以外の事績の記述がないが、古語拾遺には、大地主神（おおとこぬしのかみ）の田の苗が御年神の祟りで枯れそうになったので、大地主神が白馬・白猪などを供えて御年神を祀ると苗は再び茂ったという説話がある。