Decorian is a distinctive boys' name in United States, ranking #4828 in 1999 with 14 recorded births. The name reached its all-time peak in 1997 with 18 births ranking #3779. Since 1996, the popularity has increased by 55.6%. In 1999, approximately 1 in every 137,149 boys born was named Decorian. STABLE Recent data shows the name is currently stable.