O'callaham Family History

You can see how O'callaham families moved over time by selecting different census years. The O'callaham family name was found in the USA, and the UK between 1880 and 1891. The most O'callaham families were found in USA in 1880. In 1891 there were 5 O'callaham families living in London. This was 100% of all the recorded O'callaham's in United Kingdom. London had the highest population of O'callaham families in 1891.

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