Nancy has been given to about 1,007,393 people in the United States since 1880. It was most common in 1947, which makes it a midcentury name.
Nancy ranks 967th among American girls in 2025, with 265 born that year. Its best year was 1947, when 32,502 babies were given the name, ranking 7th. The typical living American called Nancy is about 72 years old today. It is relatively most common in Wisconsin, where it accounts for 0.03% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.