Etymology and distribution of 桂島.

Katsurashima 【桂島】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Ooita-ken , Kumamoto-ken , Fukuoka-ken .

① Origin of Shizuoka-ken Kamo-gun Kawadzu-chou . A place name with a record in the notation of "Kawazu" in the Nara era.

② Hiroshima-ken Hatsukaichi-shi The birth of Kawazuhara. A place name with a record since the Warring States Period. It is distributed in the same place.

③ Heterogeneity in 河内 . In Aomori-ken Hirosaki-shi tells that Oosaka-fu Eastern (formerly Kawachi-kuni) went out and used the shop name of Kawachi shop. Estimated in the Edo period. 河内 Kawauchi reference.

④ variant of 川津 . Fukui-ken Fukui-shi Major was in the Edo period in the Fukui clan of the clan office. The same clan says that he changed his name from Kawazu surname in the Edo period.

⑤ Korea type . Terrain . "Tsu" added to the river. Miyagi-ken Shiogama-shi , Toukyou-to Setagaya-ku There is a record of naturalization on June 15, 1963. The real name is river. 河 Kawa reference.

Katsurajima 【桂島】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

河塚 Koudzuka reference.