Island of ships or hollow dwelling
Keslie is a modern variant of the Scottish surname Kelsie or Kelsey. It likely derives from Old English elements meaning 'Ceol's island' or 'ship island', though some interpretations link it to a hollow or valley dwelling.
Less common today
Keslie isn't in the latest US Top 1000. It last peaked at #5,348 in 1991.
US births per 5-year period, 1990βpresent (SSA data).