O'holloran Family History

You can see how O'holloran families moved over time by selecting different census years. The O'holloran family name was found in the USA, and Scotland between 1880 and 1901. The most O'holloran families were found in USA in 1880. In 1881 there was 1 O'holloran family living in Lanarkshire. This was 100% of all the recorded O'holloran's in Scotland. Lanarkshire had the highest population of O'holloran families in 1881.

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