የጀርመንኛ ተውላጠ ስም ቻርልስ. Two noteworthy bearers of the name were the German mathematician Carl Gauss (1777-1855), who made contributions to number theory and algebra as well as physics and astronomy, and the Swiss psychologist Carl Jung (1875-1961), who founded analytical psychology. It was imported to America in the 19th century by German immigrants.
