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Where is the Mcmahan family from?
You can see how Mcmahan families moved over time by selecting different census years. The Mcmahan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Mcmahan families were found in the USA in 1880. In 1911 there were 29 Mcmahan families living in Ontario. This was about 37% of all the recorded Mcmahan's in Canada. Ontario had the highest population of Mcmahan families in 1911.
Use census records and voter lists to see where families with the Mcmahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.