Etymology and distribution of 桝下.

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

Fukuoka-ken . Thing . Fukuoka-ken Tagawa-gun Kawasaki-machi From Akko Miki in the Azuchi Momoyama period from the dragon circle castle. The castle was also written as "the distance". It is based in the same place. There is a dragon circle (Ryuen) on the lower story.