Karol is a distinctive boys' name in United States, ranking #6369 in 1997 with 9 recorded births. This places Karol in the bottom 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 132 births ranking #1206. Since 1996, the popularity has decreased by 47.1%. In 1997, approximately 1 in every 209,454 boys born was named Karol. FALLING Recent data shows the name is currently falling.