Pure or brave lake
A modern American invention, likely created by blending the prefix Case- (from names like Casey or Cassandra) with the popular suffix -lyn. It may draw meaning from its components, such as the Greek 'pure' or the Irish 'brave' combined with the Welsh 'lake'.
Less common today
Caselyn isn't in the latest US Top 1000. It last peaked at #9,571 in 2013.
US births per 5-year period, 1990–present (SSA data).
