Etymology and distribution of 小白金.

Koshirogane 【小白金】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Iwakuni-shi · Hyougo-ken Kakogawa-shi . There is heavy in the name of the man.

Koshirokane 【小白金】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Yamaguchi-shi , Yamaguchi-ken Iwakuni-shi .

① Yamaguchi-ken Yamaguchi-shi Originated from Shigezuna in the lower case of Upper Small Sack.

② There is a heavy song in the name of a man. Yamaguchi-ken Iwakuni-shi , Okayama-ken Katsuta-gun It was in the Edo period in Nagi-chou . Hiroshima-ken Mihara-shi Kuii-cho Hakura (formerly Shuji) is a place name recorded in the Azuchi-Momoyama period.

③ Creation . Added "Mune" to heaviness which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 重 Shige reference.