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Where is the Mernagh family from?
You can see how Mernagh families moved over time by selecting different census years. The Mernagh family name was found in the USA, the UK, and Scotland between 1841 and 1920. The most Mernagh families were found in USA in 1920. In 1880 there were 6 Mernagh families living in New York. This was about 38% of all the recorded Mernagh's in USA. New York had the highest population of Mernagh families in 1880.
Use census records and voter lists to see where families with the Mernagh surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1953 and 2000, in the United States, Mernagh life expectancy was at its lowest point in 1953, and highest in 1990. The average life expectancy for Mernagh in 1953 was 43, and 90 in 2000.