Etymology and distribution of 顕考.

Kenkou 【顕考】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Oosaka-fu , Hiroshima-ken · Ehime-ken .

① Estimated from Oka who cultivated. Ehime-ken Imabari-shi There are distribution in the country part.

② Topography . "Oka" was added to the work of the last name of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Isen-chou There are distribution in joy . There was a birth name in the same place in 1879. 作 Saku reference.