Olonnell Family History

You can see how Olonnell families moved over time by selecting different census years. The Olonnell family name was found in the USA, and the UK between 1880 and 1920. The most Olonnell families were found in USA in 1880. In 1891 there was 1 Olonnell family living in London. This was 100% of all the recorded Olonnell's in United Kingdom. London had the highest population of Olonnell families in 1891.

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