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Where is the O'halloran family from?
You can see how O'halloran families moved over time by selecting different census years. The O'halloran family name was found in the USA, Canada, and Scotland between 1871 and 1920. The most O'halloran families were found in USA in 1880. In 1911 there were 3 O'halloran families living in Ontario. This was 100% of all the recorded O'halloran's in Canada. Ontario had the highest population of O'halloran families in 1911.
Use census records and voter lists to see where families with the O'halloran surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
What did your O'halloran ancestors do for a living?
Census records can tell you a lot of little known facts about your O'halloran ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.
What O'halloran family records will you find?
You've only scratched the surface of O'halloran family history
Between 1991 and 2003, in the United States, O'halloran life expectancy was at its lowest point in 2003, and highest in 1997. The average life expectancy for O'halloran in 1991 was 81, and 56 in 2003.