Dulio is a distinctive boys' name in United States, ranking #10070 in 1998 with 5 recorded births. This places Dulio in the bottom 11% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 5 births ranking #10070. In 1998, approximately 1 in every 382,264 boys born was named Dulio. STABLE Recent data shows the name is currently stable.