Couihan Family History

You can see how Couihan families moved over time by selecting different census years. The Couihan family name was found in the USA in 1920. In 1920 there was 1 Couihan family living in California. This was 100% of all the recorded Couihan's in USA. California had the highest population of Couihan families in 1920.

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