Etymology and distribution of 大玉.

Ootama 【大玉】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

Wakayama-ken Shinguu-shi , Oosaka-fu · Shimane-ken Goutsu-shi . 獺越 surname available.

Oodama 【大玉】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

Tochigi-ken . Tochigi-ken Nasushiobara-shi Birth of Eastern lazulas and Eastern lazulas . A place name with a record since the Edo period. Tell him that in the same year it was called in 1581 (Tensho 9 years). Tochigi-ken Nasushiobara-shi north - west of the same place Osoonawa (Osonosawa) was a place name with a record since the Edo period.

※ There is a tale from Tochigi-ken Ashikaga-shi (formerly Yoneda-gun) from late blossom to say "Ozone" as well. Period, location unknown. It is unknown whether Ozone will exist.