Ohollaran Family History

You can see how Ohollaran families moved over time by selecting different census years. The Ohollaran family name was found in the USA in 1920. In 1920 there was 1 Ohollaran family living in Illinois. This was about 50% of all the recorded Ohollaran's in USA. Illinois and 1 other state had the highest population of Ohollaran families in 1920.

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