Johnco Family History

You can see how Johnco families moved over time by selecting different census years. The Johnco family name was found in the USA in 1880. In 1880 there was 1 Johnco family living in Pennsylvania. This was 100% of all the recorded Johnco's in USA. Pennsylvania had the highest population of Johnco families in 1880.

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