Karol is a distinctive boys' name in United States, ranking #1206 in 2005 with 132 recorded births. The name reached its all-time peak in 2005 with 132 births ranking #1206. Since 1996, the popularity has increased by 676.5%. In 2005, approximately 1 in every 15,130 boys born was named Karol. FALLING Recent data shows the name is currently falling.