Free man
Karlie is a feminine diminutive of Charles, which is derived from the Germanic word 'karl'. It historically refers to a free person who was not of noble birth but possessed rights and property.
Less common today
Karlie isn't in the latest US Top 1000. It last peaked at #597 in 1994.
American fashion model and entrepreneur
Reality television personality and actress
Professional basketball player in the WNBA
US births per 5-year period, 1990βpresent (SSA data).