Karen is a distinctive boys' name in United States, ranking #4380 in 2001 with 18 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #4001. Since 1996, the popularity has increased by 12.5%. In 2001, approximately 1 in every 107,935 boys born was named Karen. FALLING Recent data shows the name is currently falling.