Lea has been given to about 34,468 people in the United States since 1880. It was most common in 1970, which makes it a boomer-era name.
Lea ranks 848th among American girls in 2025, with 321 born that year. Its best year was 1970, when 600 babies were given the name, ranking 397th. The typical living American called Lea is about 39 years old today. It is relatively most common in Mississippi, 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.