Oneilly Family History

You can see how Oneilly families moved over time by selecting different census years. The Oneilly family name was found in the USA, the UK, Canada, and Scotland between 1871 and 1920. The most Oneilly families were found in USA in 1920. In 1891 there was 1 Oneilly family living in Essex. This was about 50% of all the recorded Oneilly's in United Kingdom. Essex and 1 other county had the highest population of Oneilly families in 1891.

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