Etymology and distribution of 土井.

Doi 【土井】^{レベル6
About 74,600}  The Japanese surnames etymology dictionary.

Saitama-ken , Yamagata-ken , Gifu-ken . Occupation . From the ancestor of the royal emperor in the Kofun period. In Saitama-ken Gyouda-shi Saitama tells Saitama-ken · Toukyou-to · Kanagawa-ken Tohoku area (old: Musashi country) as descendant of Mr. Length (Hasekabe) who lived in the Heian period. It is unknown whether the length exists. Toukyou-to Nishitama-gun Mizuho-machi Nagaoka Taniyabe is a transit point. The place name that we called "Hasebe Nitta" in the Edo period. Tell the place name from what Hasebe developed.

Tsuchii 【土井】^{レベル6
About 74,600}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Saitama-ken , Toukyou-to .

① Tochigi-ken Tochigi-shi Originated from the vicinity of Toga Fujioka Town (formerly Numajiri). A place name with a record since the Warring States Period. Ibaraki-ken Shimotsuma-shi It was in the Azuchi-Momoyama period as a vassal of Mr. Taga Tani who was the castle owner of Shimozuma Castle in Honjo-cho. Ibaraki-ken Tsuchiura-shi I met a doctor in the middle of the Edo period.

② Saitama-ken Fukaya-shi Origin of Numajiri. A place name with a record since the Edo period.