Free man or small song
Carlynn is a modern American blend, likely combining the Germanic name Carla, meaning 'free man', with the popular Welsh-derived suffix -lynn, meaning 'lake'. It may also be interpreted as a variant of Caroline or a diminutive of Carol, suggesting a 'song' or 'hymn'.
Less common today
Carlynn isn't in the latest US Top 1000. It last peaked at #5,210 in 2017.
US births per 5-year period, 1990βpresent (SSA data).