Olhaunessy Family History

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

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