Decorian is a distinctive boys' name in United States, ranking #6316 in 2005 with 12 recorded births. The name reached its all-time peak in 1997 with 18 births ranking #3779. Since 1996, the popularity has increased by 33.3%. In 2005, approximately 1 in every 166,429 boys born was named Decorian. STABLE Recent data shows the name is currently stable.