O'halloren Family History

You can see how O'halloren families moved over time by selecting different census years. The O'halloren family name was found in the USA, and Scotland between 1880 and 1920. The most O'halloren families were found in USA in 1880. In 1880 there were 6 O'halloren families living in Illinois. This was 100% of all the recorded O'halloren's in USA. Illinois had the highest population of O'halloren families in 1880.

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