Ohollovan Family History

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

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