Narrow, strait, or wood
Kyl is a rare variant of the Scottish name Kyle, referring to a narrow channel of water or a strait. It may also derive from the Gaelic word for wood or church. In modern usage, it often functions as a creative, minimalist spelling of more common names like Kyle or Kye.
Less common today
Kyl isn't in the latest US Top 1000. It last peaked at #4,193 in 1993.
US births per 5-year period, 1990βpresent (SSA data).