O'mallon Family History

You can see how O'mallon families moved over time by selecting different census years. The O'mallon family name was found in the USA between 1880 and 1920. The most O'mallon families were found in and USA in 1880. In 1880 there was 1 O'mallon family living in New York. This was 100% of all the recorded O'mallon's in USA. New York had the highest population of O'mallon families in 1880.

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