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Where is the Diffey family from?
You can see how Diffey families moved over time by selecting different census years. The Diffey family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Diffey families were found in United Kingdom in 1891. In 1840 there were 4 Diffey families living in Maryland. This was about 67% of all the recorded Diffey's in USA. Maryland had the highest population of Diffey families in 1840.
Use census records and voter lists to see where families with the Diffey surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1961 and 2004, in the United States, Diffey life expectancy was at its lowest point in 1974, and highest in 1987. The average life expectancy for Diffey in 1961 was 52, and 77 in 2004.