Americanized form of an unidentified presumably German surname ultimately derived from the personal name Nicholas . This surname is found mainly in PA.
Source: Dictionary of American Family Names 2nd edition, 2022
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Where is the Nicklow family from?
You can see how Nicklow families moved over time by selecting different census years. The Nicklow family name was found in the USA, and the UK between 1840 and 1920. The most Nicklow families were found in USA in 1920. In 1891 there were 6 Nicklow families living in Hampshire. This was about 33% of all the recorded Nicklow's in United Kingdom. Hampshire and 1 other county had the highest population of Nicklow families in 1891.
Use census records and voter lists to see where families with the Nicklow surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1947 and 2004, in the United States, Nicklow life expectancy was at its lowest point in 1967, and highest in 1993. The average life expectancy for Nicklow in 1947 was 42, and 78 in 2004.