Etymology and distribution of 入羽.

Nyuuba 【入羽】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Ehime-ken .

① Ehime-ken Imabari-shi The birthplace of Magoshi (Umagoe) town. A place name with a record since the Edo period.

② Originated from Kagoshima-ken Isa-shi Hishikari near the front (old: Magoshi). A place name with a record since the Warring States Period.

③ Aichi-ken Toyohashi-shi Originated in Ishinomaki Honcho (old: Magoshi). A place name with a record since the Warring States Period.

Irihane 【入羽】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Kagawa-ken Takamatsu-shi , Okayama-ken . Kagawa-ken Sakaide-shi Originated from the department of Kamo - cho Kochi's underwear. A place name with a record since the Nara period.