Ishimura 【石村】5 The Japanese surnames etymology dictionary.
① Convention . It stands for Itagaki. Yamanashi-ken Hokuto-shi Ogai Forest says that Mr. Itagaki, who was in conflict with Mr. Takeda during the Warring States period, remained renouncing "board" as a camouflaging worker. 板垣 reference.
④ Topography . From boards and mountains. Kagoshima-ken Hioki-shi From Fukijiri-machi of Fujiri-machi, Tajiri - machi, which was in the Edo period, was a gate division system. Nagasaki-ken Isahaya-shi Moriyama Town Ueumumuta is based.