Mcilhenny Family History

You can see how Mcilhenny families moved over time by selecting different census years. The Mcilhenny family name was found in the USA, the UK, and Scotland between 1840 and 1920. The most Mcilhenny families were found in USA in 1880. In 1840 there were 12 Mcilhenny families living in Pennsylvania. This was about 75% of all the recorded Mcilhenny's in USA. Pennsylvania had the highest population of Mcilhenny families in 1840.

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