O'halleran Family History

You can see how O'halleran families moved over time by selecting different census years. The O'halleran family name was found in the USA in 1880. In 1880 there were 10 O'halleran families living in Maine. This was about 26% of all the recorded O'halleran's in USA. Maine and 1 other state had the highest population of O'halleran families in 1880.

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