Sladen is a distinctive boys' name in United States, ranking #7013 in 2007 with 12 recorded births. This places Sladen in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 15 births ranking #6023. In 2007, approximately 1 in every 172,936 boys born was named Sladen. FALLING Recent data shows the name is currently falling.