Etymology and distribution of 猪貝.

Inokai 【猪貝】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Niigata-ken , Hyougo-ken , Hokkaidou .

① Origin of Shimane-ken Western (formerly Iwami-kun). A place name with a record since the Asuka period. Niigata-ken Sado-shi Tradition at Himezu. Tell the story that descendants of fishermen who came from 1596 to 1615 (Keicho year) called.

② Hyougo-ken Ibo-gun Taishi-chou Originated in the vicinity of the Ishihama shrine (formerly Iwami Township) in Miyamoto. A place name with a record since the Muromachi period. Tradition in Shimane-ken western part (formerly Iwami-kuni).

Igai 【猪貝】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Yamanashi-ken , Nagano-ken , Okayama-ken . Nagano-ken Chiisagata-gun Nagawa-machi I was in the warring States period in Nagakubo. In the same town, tell Nagano-ken Ueda-shi from the stone pavement that was in Yazawa of the shrine of the castle tower . Nagano-ken Ueda-shi The stone arrow of the lower castle in the castle town is a comparative site.

※ Ooita-ken was a vassal of Mr. Otomo who took the ground at Kamakura period and Muromachi period.

Inogai 【猪貝】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Fukuoka-ken · Gifu-ken . 岩佐 's variant. In Fukuoka - ken tells that Iwasa 's surname and Yuasa' s surname are misleading because they are renamed. Estimated from tradition around 1900. 岩佐 Iwasa reference. 湯浅 Yuasa reference.