Kosai Family History

You can see how Kosai families moved over time by selecting different census years. The Kosai family name was found in the USA in 1920. In 1920 there were 2 Kosai families living in Hawaii. This was about 40% of all the recorded Kosai's in USA. Hawaii had the highest population of Kosai families in 1920.

Use census records and voter lists to see where families with the Kosai surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.