Karin is a distinctive girls' name in United States, ranking #3152 in 2004 with 49 recorded births. The name reached its all-time peak in 1997 with 90 births ranking #1726. Since 1996, the popularity has decreased by 43.0%. In 2004, approximately 1 in every 37,472 girls born was named Karin. FALLING Recent data shows the name is currently falling.