Kynleigh has been given to about 1,997 people in the United States since 1880. It was most common in 2014, which makes it a millennial-parent name.
Its best year was 2014, when 189 babies were given the name, ranking 1273rd. The typical living American called Kynleigh is about 11 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. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.