Etymology and distribution of 松伊.

Matsui 【松伊】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Saitama-ken , Toukyou-to · Kanagawa-ken . 領家 family name is present.

※ Creation . Ehime-ken Yawatahama-shi Hamaruchi and Parallel in the Yamaguchi-ken Shimonoseki-shi in the Shimonosechi Miyauchi after the battle of Dannoura that was in 1185 (2 years old and 4 years old) It is said that it was called in the meaning of "house of". There are also two families in the lower stake in the same place. 平 Taira reference.