Meadow of the royal family
Kynslee is a modern American creative spelling of the English surname Kingsley. It derives from the Old English elements 'cyne', meaning royal, and 'leah', meaning a meadow or clearing.
Less common today
Kynslee isn't in the latest US Top 1000. It last peaked at #1,196 in 2018.
US births per 5-year period, 1990βpresent (SSA data).