Karen is a distinctive boys' name in United States, ranking #6368 in 1997 with 9 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #4001. Since 1996, the popularity has decreased by 43.8%. In 1997, approximately 1 in every 209,454 boys born was named Karen. FALLING Recent data shows the name is currently falling.