Karoline is a distinctive girls' name in United States, ranking #1615 in 2015 with 133 recorded births. The name reached its all-time peak in 2017 with 139 births ranking #1575. Since 1996, the popularity has increased by 77.3%. In 2015, approximately 1 in every 13,418 girls born was named Karoline. RISING Recent data shows the name is currently rising.