Karol is a distinctive boys' name in United States, ranking #3587 in 2010 with 30 recorded births. The name reached its all-time peak in 2005 with 132 births ranking #1206. Since 1996, the popularity has increased by 76.5%. In 2010, approximately 1 in every 63,947 boys born was named Karol. FALLING Recent data shows the name is currently falling.