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Where is the Dunnigan family from?
You can see how Dunnigan families moved over time by selecting different census years. The Dunnigan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Dunnigan families were found in USA in 1880. In 1911 there were 23 Dunnigan families living in Ontario. This was about 37% of all the recorded Dunnigan's in Canada. Ontario had the highest population of Dunnigan families in 1911.
Use census records and voter lists to see where families with the Dunnigan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1950 and 2004, in the United States, Dunnigan life expectancy was at its lowest point in 1955, and highest in 2000. The average life expectancy for Dunnigan in 1950 was 37, and 76 in 2004.