Karol is a distinctive boys' name in United States, ranking #2150 in 2007 with 63 recorded births. The name reached its all-time peak in 2005 with 132 births ranking #1206. Since 1996, the popularity has increased by 270.6%. In 2007, approximately 1 in every 32,940 boys born was named Karol. FALLING Recent data shows the name is currently falling.