Koi Family History

You can see how Koi families moved over time by selecting different census years. The Koi family name was found in the USA between 1880 and 1920. The most Koi families were found in USA in 1880. In 1880 there were 9 Koi families living in Illinois. This was about 75% of all the recorded Koi's in USA. Illinois had the highest population of Koi families in 1880.

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