Sladen is a distinctive boys' name in United States, ranking #13621 in 2025 with 5 recorded births. This places Sladen in the bottom 2% 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 2025, approximately 1 in every 341,615 boys born was named Sladen. FALLING Recent data shows the name is currently falling.