Free man
Carolin is a German variant of Caroline, ultimately derived from the Germanic name Karl. It shares the same etymological roots as Charles, signifying a person who is free and not of noble birth but possesses full rights.
Less common today
Carolin isn't in the latest US Top 1000. It last peaked at #5,757 in 1994.
Award-winning German journalist and philosopher
Famous German comedian and actress
German Olympic foil fencer
Olympic gold medalist in sprint canoeing
US births per 5-year period, 1990βpresent (SSA data).