Ohallahon Family History

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

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