O'nneil Family History

You can see how O'nneil families moved over time by selecting different census years. The O'nneil family name was found in the USA in 1880. In 1880 there were 5 O'nneil families living in Massachusetts. This was about 71% of all the recorded O'nneil's in USA. Massachusetts had the highest population of O'nneil families in 1880.

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