Etymology and distribution of 所司.

Shoshi 【所司】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Toukyou-to , Kanagawa-ken , Niigata-ken .

Origin of Toukyou-to Tachikawa-shi . A place name with a record in the notation of "Tachikawa" during the Warring States Period.

② Originated from the vicinity of the Fuefukugawa river running through Kasuga-machi of Yamanashi-ken Fuefuki-shi (formerly Tachikawa). A place name with a record in the Warring States Period.

③ Kumamoto-ken Ashikita-gun Ashikita-machi Origin Tachikawa. A place name with a record since the Edo period. It is distributed in the same place.

Shoji 【所司】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Niigata-ken Nagaoka-shi , Toukyou-to . 立川 There is surname. Niigata-ken Nagaoka-shi Major tradition was in the Edo period in the Echigo Nagaoka clan of the clan government office.