O'mahoney Family History

You can see how O'mahoney families moved over time by selecting different census years. The O'mahoney family name was found in the USA, and Scotland between 1880 and 1920. The most O'mahoney families were found in USA in 1880. In 1880 there were 11 O'mahoney families living in New York. This was about 29% of all the recorded O'mahoney's in USA. New York had the highest population of O'mahoney families in 1880.

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