Etymology and distribution of 加藤洲.

Katousu 【加藤洲】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Okayama-ken , Ibaraki-ken . Creation . "Towa" is used for the field of Kanda. Okayama-ken Okayama-shi In the Shinjo-ku Misu Shinjo Kagawa-ken Marugame-shi Samurai who served Marugame Castle in the most, told that he was renamed from Kanda surname and was called in 1663 (Hirofumi 3 years). There are also stories that I came to the same place from 1655 to 1658 (year of the calendar year). It is based in the same place. 神田 Kanda reference.