O'byrn Family History

You can see how O'byrn families moved over time by selecting different census years. The O'byrn family name was found in the USA, and Scotland between 1880 and 1901. The most O'byrn families were found in USA in 1880. In 1880 there were 7 O'byrn families living in Illinois. This was about 50% of all the recorded O'byrn's in USA. Illinois had the highest population of O'byrn families in 1880.

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