Karin is a distinctive girls' name in United States, ranking #3340 in 2005 with 46 recorded births. The name reached its all-time peak in 1997 with 90 births ranking #1726. Since 1996, the popularity has decreased by 46.5%. In 2005, approximately 1 in every 40,167 girls born was named Karin. FALLING Recent data shows the name is currently falling.