Lesly has been given to about 15,785 people in the United States since 1880. It was most common in 2003, which makes it a millennial-parent name.
Its best year was 2003, when 847 babies were given the name, ranking 364th. The typical living American called Lesly is about 22 years old today. It is relatively most common in Maryland, where it accounts for 0.01% of births.
Source: US Social Security Administration, national and state name files, 2025 release. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.