O'collaghan Family History

You can see how O'collaghan families moved over time by selecting different census years. The O'collaghan family name was found in the USA, and the UK between 1880 and 1891. The most O'collaghan families were found in USA in 1880. In 1880 there were 4 O'collaghan families living in Massachusetts. This was 100% of all the recorded O'collaghan's in USA. Massachusetts had the highest population of O'collaghan families in 1880.

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