Jonergan Family History

You can see how Jonergan families moved over time by selecting different census years. The Jonergan family name was found in the USA in 1840. In 1840 there was 1 Jonergan family living in Illinois. This was 100% of all the recorded Jonergan's in USA. Illinois had the highest population of Jonergan families in 1840.

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