Free man
Karoline is the German and Scandinavian form of Caroline. It is derived from the Germanic name Karl, which refers to a free person who was not of noble birth but held legal rights.
Less common today
Karoline isn't in the latest US Top 1000. It last peaked at #1,572 in 2017.
German actress and director
German Romantic poet
Norwegian biathlete
Norwegian singer-songwriter
US births per 5-year period, 1990–present (SSA data).