Boncosky Family History

You can see how Boncosky families moved over time by selecting different census years. The Boncosky family name was found in the USA between 1880 and 1920. The most Boncosky families were found in USA in 1920. In 1880 there was 1 Boncosky family living in Illinois. This was 100% of all the recorded Boncosky's in USA. Illinois had the highest population of Boncosky families in 1880.

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