Etymology and distribution of 伊久.

Korehisa 【伊久】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Saitama-ken , Chiba-ken , Toukyou-to .

① Saitama-ken Hiki-gun Ogawa-machi It was in the Edo era on the waist. Chiba-ken Ichihara-shi It was in the Edo period as a samurai. Chiba-ken Ichihara-shi Shimano is a place name recorded with the notation "island hole" in the North and South morning era, "Shimano" in the age of warring States.

② Iwate-ken Miyako-shi Originated from Shimano, a small harpoon of the harvester.

③ Convention . Abbreviation for Shimabucco I used the "island" of Shimabukuro. Oosaka-fu Oosaka-shi changed in 1949. 島袋 Shimabukuro reference.

※ Goguryeo system . In the vicinity of Oosaka-fu Fujiidera-shi (formerly Shiki-gun) in 761 (Tenpyo Treasure 5 years), there was a case called Asahi Ren after giving the Asahi family's surname. 朝日 Asahi reference.