Jonnco Family History

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

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