O'hanrahan Family History

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

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