Lexi has been given to about 28,120 people in the United States since 1880. It was most common in 2014, which makes it a millennial-parent name.
Lexi ranks 628th among American girls in 2025, with 464 born that year. Its best year was 2014, when 1,334 babies were given the name, ranking 241st. The typical living American called Lexi is about 15 years old today. It is relatively most common in Nevada, 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.