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Where is the Guilfoil family from?
You can see how Guilfoil families moved over time by selecting different census years. The Guilfoil family name was found in the USA, and the UK between 1840 and 1920. The most Guilfoil families were found in USA in 1880. In 1891 there was 1 Guilfoil family living in Glamorgan. This was about 50% of all the recorded Guilfoil's in United Kingdom. Glamorgan and 1 other county had the highest population of Guilfoil families in 1891.
Use census records and voter lists to see where families with the Guilfoil surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1963 and 2004, in the United States, Guilfoil life expectancy was at its lowest point in 1964, and highest in 1990. The average life expectancy for Guilfoil in 1963 was 63, and 77 in 2004.