There are
117
Kumais in the USA
Kumai is the
142108th
most common last name in the USA

Kumai Genealogy

OriginsThe Kumai surname is predominantly found in Japan, specifically among individuals with Japanese ancestry.
Geographic DistributionThe Kumai surname is most popular in Japan, where it is commonly found among individuals with Japanese heritage.
VariationsThere are no known variations of the Kumai surname.