Karl is a moderately popular boys' name in England & Wales, ranking #143 in 1998 with 245 recorded births. The name reached its all-time peak in 1996 with 413 births ranking #110. Since 1996, the popularity has decreased by 40.7%. In 1998, approximately 1 in every 1,267 boys born was named Karl. STABLE Recent data shows the name is currently stable.