Karin is a distinctive girls' name in United States, ranking #1726 in 1997 with 90 recorded births. This places Karin in the top 11% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 90 births ranking #1726. In 1997, approximately 1 in every 19,341 girls born was named Karin. FALLING Recent data shows the name is currently falling.