Etymology and distribution of 軽米.

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

Kouchi-ken . Kouchi-ken Aki-gun Yasuda-chou , Kyouto-fu Kyouto-shi was in the Edo period.

※ Goguryeo system . There was a case that Nagano-ken gave in 799 (18 years old).

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

Saitama-ken . Occupation . A variant of 京屋 . In Saitama-ken , tell Kiyouto-fu Kyouto-shi near Higashiyama ku, called Gifu-ken Takayama-shi , from the shopkeeper of Kyoya (Kyoya) during the Meiji New Last Name. 京屋 Kyouya reference.