Etymology and distribution of 榮川.

Eikawa 【榮川】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Niigata-ken , Hiroshima-ken , Kanagawa-ken .

① Toyama-ken Namerikawa -shi birthplace originated. A place name with a record since the Edo period.

② Hiroshima-ken Shoubara-shi Originated from the large offshore Oshiku of Yuwa Orika.

There is a story that Mr. Oe's descendant called it. Period, location unknown. There is a record in the Muromachi period. 大江 Ooe reference.

Egawa 【榮川】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Oosaka-fu , Iwate-ken Kuji-shi . A person who devotes to Buddhist monks without going home at home.