Etymology and distribution of 井良澤.

Irasawa 【井良澤】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu , Wakayama-ken .

① Topography . From fish and rice. Hyougo-ken Himeji-shi Distributed in Nakahama Town, Decorative District. The land faced the Seto Inland Sea. Ehime-ken Seiyo-shi Miyano Town tells that he was engaged in agriculture in Miura . Estimated in the Edo period. The land faced the Bungo Campus. Ishikawa-ken Nomi-shi Tell him that he was engaged in agriculture in Yoshimitsu-cho. Estimated in the Edo period. The land is inland.

② Korean type . Terrain . Add "rice" to fish. There is a record of naturalization on Osaka-fu Takatsuki-shi on February 1, 1990. Family name is fish. 魚 Uo reference.

Irazawa 【井良澤】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toyama-ken Imizu-shi . Thing . Toyama - ken Imizu - shi Fisherman in Shizuzu - machi tells that he used "rice", "tail" for "fish". Meiji New Last name in estimation.