Etymology and distribution of 新園.

Niizono 【新園】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

古宇田 Kouda reference.

Shinzono 【新園】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Iwate-ken Morioka-shi . Terrain . From the Museum and Sawa. Iwate-ken Morioka-shi It was in the Ueda and Shimota - da during the Edo period.

※ Iwate-ken Morioka-shi Kamisama tells that he lived in the land called "Hall of houses" of the same place. Period, location unknown.