Etymology and distribution of 正久.

Shoukyuu 【正久】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Tochigi-ken , Fukushima-ken , Toukyou-to .

① Ibaraki-ken Higashiibaraki-gun Shirosato-machi Born of Takuyu . Place name with a record since the North / South morning era. Ibaraki-ken Sakuragawa-shi Takaku is a place name with a record in the notation of "Takenoku" in the Kamakura period. Ibaraki-ken Sakuragawa-shi adjacent to the same place has distribution in Makabe-cho.

※ Tochigi-ken Tochigi-shi In Tsukiza-cho, Mr. Takaya tells that he was named "Takaya's high" and Kuma's "Hisashi" for Kuma near Yamagata-ken Murayama-shi (old: Murayama-gun). Period, location unknown. 高屋 Takaya reference.

※ Tochigi-ken Nasu-gun Nasu-machi Taka Kogyo, Takakuya, Takakuzo is a place name with a record since the Edo period. There is a story that the place name is due to Mr. Takaku residing from 1346 to 1370 (senior year).

② Fukushima-ken Iwaki-shi Heisei Takahisa · Birth of Hiragishi Highly. Place name with a record since the North / South morning era.

Masahisa 【正久】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Gifu-ken , Wakayama-ken Wakayama-shi . Terrain . From the four ridges and the town. Gifu-ken Ibi-gun Ikeda-chou Distributed in Hinonoi.