Costagan Family History

You can see how Costagan families moved over time by selecting different census years. The Costagan family name was found in the USA between 1880 and 1920. The most Costagan families were found in and USA in 1880. In 1880 there was 1 Costagan family living in Colorado. This was about 50% of all the recorded Costagan's in USA. Colorado and 1 other state had the highest population of Costagan families in 1880.

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