Son of Finlay; fair-haired warrior
A modern American invention, Mckenleigh combines the Scottish surname prefix 'Mc' (meaning son of) with the name Finlay and the popular suffix 'leigh'. It ultimately derives from Gaelic roots meaning fair or white, often associated with a fair-haired warrior.
Less common today
Mckenleigh isn't in the latest US Top 1000. It last peaked at #6,223 in 2015.
US births per 5-year period, 1990βpresent (SSA data).