Kynsleigh first appears in the U.S. registration record in 2008. Its popularity climbed over the following decades. In 2018, 56 babies received the name (ranked #2948). Today it sits well outside the top 1,000 (around #3856), with roughly 40 babies named Kynsleigh each year. Kynsleigh's usage has held roughly steady recently. In total, around 552 babies have been registered with this name since 1880.