Etymology and distribution of 石墨.

The Japanese surnames etymology dictionary.
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在日通名大全

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「石墨」さんの名字の分布数。

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Etymology of 石墨

Distribution of 石墨
Ranking
1 Niigata-shi(About 40)
2 Otaru-shi(About 10)
2 Sapporo-shi Shiroishi-ku(About 10)
4 Sapporo-shi Teine-ku(About 10)
4 Sapporo-shi Higashi-ku(About 10)
4 Sendai-shi Aoba-ku(About 10)
4 Yonezawa-shi(About 10)
4 Kooriyama-shi(About 10)
9 Amagasaki-shi(Very rare)
9 Kitami-shi(Very rare)
9 Iwamizawa-shi(Very rare)
9 Sapporo-shi Chuuou-ku(Very rare)
9 Sapporo-shi Kita-ku(Very rare)
9 Ebetsu-shi(Very rare)
9 Wakkanai-shi(Very rare)
9 Urayasu-shi(Very rare)
9 Souka-shi(Very rare)
9 Sendai-shi Izumi-ku(Very rare)
9 Sendai-shi Wakabayashi-ku(Very rare)
9 Yamagata-shi(Very rare)
9 Nishiokitama-gun Iide-machi(Very rare)
9 Oogaki-shi(Very rare)
9 Arakawa-ku(Very rare)
9 Sakai-shi(Very rare)