Karl is a moderately popular boys' name in England & Wales, ranking #228 in 2001 with 133 recorded births. The name reached its all-time peak in 1996 with 413 births ranking #110. Since 1996, the popularity has decreased by 67.8%. In 2001, approximately 1 in every 2,164 boys born was named Karl. STABLE Recent data shows the name is currently stable.