Etymology and distribution of 八井.

Yatsui 【八井】^{レベル3
About 150}  The Japanese surnames etymology dictionary.

石川県、兵庫県、熊本県。ハチイも含む分布。地形。八つの水を汲む場所から。多いたとえとして「八」を使用する例あり。石川県輪島市堀町、兵庫県宍粟市山崎町須賀沢、熊本県宇城市小川町新田に分布あり。

Hachii 【八井】^{レベル3
About 150}  The Japanese surnames etymology dictionary.

Oosaka-fu , Kagoshima-ken .

① Topography . From the road and the field. Oosaka-fu Oosaka-shi Distributed in Kami -magome Temple in Hirano Ward. Kumamoto-ken Kumamoto-shi Chuo-ku Honmaru was in the Edo era at the Kumamoto clan in the Clan office.

② Kagoshima-ken Makurazaki-shi birthplace of Dogeno-cho. In the same era there was a doano gate in the Edo period.