Fair-headed meadow
A modern English surname-style name likely derived from the Old English elements 'cene' (bold) or 'cyne' (royal) combined with 'leah' (meadow). It is often interpreted as a variant of McKinley or Kenley, suggesting a grassy clearing or meadow.
Less common today
Kennley isn't in the latest US Top 1000. It last peaked at #7,399 in 2017.
US births per 5-year period, 1990βpresent (SSA data).