Etymology and distribution of 猫安.

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

Aichi-ken , Gifu-ken , Shizuoka-ken . 堀部 variant. Aichi-ken Nagoya-shi Tell him that he was renamed from Horibe surname in Sengoku period in Nishi-ku Nagara. 堀部 Horibe reference.