Hennessy Family History

You can see how Hennessy families moved over time by selecting different census years. The Hennessy family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Hennessy families were found in USA in 1880. In 1891 there were 145 Hennessy families living in London. This was about 28% of all the recorded Hennessy's in United Kingdom. London had the highest population of Hennessy families in 1891.

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