Brennan Family History

You can see how Brennan families moved over time by selecting different census years. The Brennan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Brennan families were found in USA in 1880. In 1891 there were 948 Brennan families living in Lancashire. This was about 39% of all the recorded Brennan's in United Kingdom. Lancashire had the highest population of Brennan families in 1891.

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