Etymology and distribution of 北之口.

Kitanokuchi 【北之口】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Fukushima-ken , Kouchi-ken .

Originated from Mie-ken Kuwana-shi . A place name with a record since the Heian period.

② Abstract . Kuwano stands for. Fukushima-ken Kooriyama-shi The shrine of Kurushima Shrine of Hunan Temple Fukura resides from Tochigi-ken and tells that it changed from Kuwano surname. Muromachi era in presumption from tradition. 桑野 Kuwano reference.

Kitanoguchi 【北之口】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Oosaka-fu Hirakata-shi . A variant of 桑名 . Nagano-ken Nagano-shi Matsushiro Matsushiro was in the Edo period in the clan of the Matsushiro of the Clan office.