Son of Kyle
A modern American invention, Mckyle combines the Scottish/Irish prefix 'Mc' (meaning 'son of') with the Gaelic name Kyle, which refers to a narrow strait or channel. It follows the 21st-century trend of adding surnamesque prefixes to established first names.
Less common today
Mckyle isn't in the latest US Top 1000. It last peaked at #7,155 in 2003.
US births per 5-year period, 1990βpresent (SSA data).