O'chalahan Family History

You can see how O'chalahan families moved over time by selecting different census years. The O'chalahan family name was found in the USA in 1880. In 1880 there was 1 O'chalahan family living in Iowa. This was 100% of all the recorded O'chalahan's in USA. Iowa had the highest population of O'chalahan families in 1880.

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