Etymology and distribution of 黒正.

Kuromasa 【黒正】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Toukyou-to . A variant of 斎藤 .

Kokushou 【黒正】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Oosaka-fu , Kanagawa-ken , Shizuoka-ken .

① Convention . Abbreviation of Sawaura. Kanagawa-ken Ashigarakami-gun Yamakita -machi When Kawamura Castle that was in Yamakita falls, tells that Mr. Sawaura remodeled him as a camouflage, leaving a swamp. Estimated in the Azuchi Momoyama period. Kanagawa-ken Hiratsuka-shi It was in the Edo period as a bait. Tell them that they are groundbreaking in the same place. 沢浦 Sawaura reference.

② Creation . In Shizuoka-ken Kakegawa-shi , tell Shiga-ken that she used "field" as a particle's "of" for Suzawa surname. Unknown times. 沢 Sawa reference.

③ Topography . From Sawano and the field. Iwate - ken Miyako - shi The shop name is Kazawa at the Kariya. Mie - ken Tsu - shi In Otonoda Town tells that it changed from Ito 's surname in the Edo period. 伊藤 Itou reference. In Wakayama-ken Hashimoto-shi tell her that she came from Shimane-ken eastern part (formerly Izumo nation) in 1578 (Tensho 6th year) and renamed from Nyiko surname. 尼子 Amako reference.

④ Ishikawa-ken Birth of Nanao-shi Sawano-cho. A place name with a record since the Kamakura period. It is distributed in the same place.