Karen is a distinctive girls' name in United States, ranking #505 in 2015 with 627 recorded births. The name reached its all-time peak in 1996 with 2,401 births ranking #133. Since 1996, the popularity has decreased by 73.9%. In 2015, approximately 1 in every 2,846 girls born was named Karen. FALLING Recent data shows the name is currently falling.