Koca Family History

You can see how Koca families moved over time by selecting different census years. The Koca family name was found in the USA, and Canada between 1911 and 1920. The most Koca families were found in USA in 1920. In 1920 there were 16 Koca families living in Illinois. This was about 44% of all the recorded Koca's in USA. Illinois had the highest population of Koca families in 1920.

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