O'connnor Family History

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

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