Etymology and distribution of 葊.

Iori 【葊】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken Isa-shi · Okayama-ken · Hyougo-ken . Creation . Hiroshima-ken tells that he changed his name from Sakamoto surname in 1887 because he was strongly believed in immovable faith in the Edo era at Nara-ken . Pronunciation pronunciation is Yuzan. 坂本 Sakamoto reference.

※ Ooita-ken Nakatsu-shi recorded in 740 (Tenpyo 12 years).

Io 【葊】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Nara-ken . A variant of 伊桜 .