Son of Kenzie; fair one
A modern American invention, likely created by blending the popular prefix 'Ma-' or 'Mc-' with the name Kenzie or Kingsley. It ultimately traces back to the Scottish Gaelic name Coinneach, which means 'fair' or 'handsome'.
Less common today
Makensley isn't in the latest US Top 1000. It last peaked at #11,718 in 2016.
US births per 5-year period, 1990βpresent (SSA data).