Free man or song
Carlisia is a modern elaboration of Carla or Carline, likely influenced by the suffix -isia. It combines the Germanic roots of Charles, meaning 'free man', with a rhythmic, contemporary flair often associated with Latinate feminine endings.
Less common today
Carlisia isn't in the latest US Top 1000. It last peaked at #10,344 in 1997.
US births per 5-year period, 1990βpresent (SSA data).