O'lacy Family History

You can see how O'lacy families moved over time by selecting different census years. The O'lacy family name was found in the USA between 1880 and 1920. The most O'lacy families were found in and USA in 1880. In 1880 there was 1 O'lacy family living in New York. This was 100% of all the recorded O'lacy's in USA. New York had the highest population of O'lacy families in 1880.

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