Karoline is a distinctive girls' name in United States, ranking #2256 in 2009 with 87 recorded births. The name reached its all-time peak in 2017 with 139 births ranking #1575. Since 1996, the popularity has increased by 16.0%. In 2009, approximately 1 in every 21,113 girls born was named Karoline. RISING Recent data shows the name is currently rising.