Leanne has been given to about 29,632 people in the United States since 1880. It was most common in 1969, which makes it a boomer-era name.
Its best year was 1969, when 801 babies were given the name, ranking 321st. The typical living American called Leanne is about 50 years old today. It is relatively most common in Ohio, where it accounts for 0.01% 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.