O'neils Family History

You can see how O'neils families moved over time by selecting different census years. The O'neils family name was found in the USA between 1880 and 1920. The most O'neils families were found in and USA in 1880. In 1880 there were 2 O'neils families living in Illinois. This was about 67% of all the recorded O'neils's in USA. Illinois had the highest population of O'neils families in 1880.

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