Son of Finlay; fair-haired warrior
A modern variant of the Scottish surname McKinley, derived from the Gaelic Mac Fhionnlaigh. It traditionally translates to 'son of the fair-haired hero' or 'son of Finlay.' While historically a masculine surname, it has transitioned into a contemporary unisex given name in the United States.
Less common today
Mckenly isn't in the latest US Top 1000. It last peaked at #11,683 in 2013.
US births per 5-year period, 1990βpresent (SSA data).