Etymology and distribution of 郁春.

Ikubaru 【郁春】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kouchi-ken Tosa-shi , Kouchi-ken Kouchi-shi , Kagoshima-ken . Terrain . A variant of 石本 . Kouchi-ken Tosa-shi Takaoka Ochimangu is based. There was a case where the principal of the Nara period, Ishigami Omoro (Isonokami no Otsumaro) was distributed to Kouchi-ken in 739 (Tenpyo 11 years). Kouchi-ken Tosa-shi Hoshihonomaru (Otomaru) is the presumed settlement. 石上 Ishigami reference.