Etymology and distribution of ビル.

Biru* 【ビル】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Tokushima-ken , Kouchi-ken .

① Kouchi-ken Kami-shi Yamamaru birth originated in the physical town. A place name with a record since the Azuchi-Momoyama period. There are also names of places from Yakutaro's name.

② There is a sai as a man's name. Fukui-ken Fukui-shi It was in Edo era in Shimojujo-machi. "An" is a favorable character. There is a word of Hara.

③ Toyama-ken Nanto-shi Originated from Yumaru, Umihara's small character.