Hirai
English edit
Etymology edit
Borrowed from Japanese 平井 (Hirai).
Proper noun edit
Hirai (plural Hirais)
- A surname.
Statistics edit
- According to the 2010 United States Census, Hirai is the 31001st most common surname in the United States, belonging to 749 individuals. Hirai is most common among Asian/Pacific Islander (80.64%) individuals.