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Where is the O'mara family from?
You can see how O'mara families moved over time by selecting different census years. The O'mara family name was found in the USA, Canada, and Scotland between 1851 and 1920. The most O'mara families were found in USA in 1880. In 1880 there were 193 O'mara families living in New York. This was about 26% of all the recorded O'mara's in USA. New York had the highest population of O'mara families in 1880.
Use census records and voter lists to see where families with the O'mara surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.