O'calloghen Family History

You can see how O'calloghen families moved over time by selecting different census years. The O'calloghen family name was found in the USA in 1880. In 1880 there were 2 O'calloghen families living in Illinois. This was 100% of all the recorded O'calloghen's in USA. Illinois had the highest population of O'calloghen families in 1880.

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