Tirso is a distinctive boys' name in United States, ranking #8108 in 2007 with 10 recorded births. This places Tirso in the bottom 44% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 10 births ranking #8108. Since 1996, the popularity has increased by 100.0%. In 2007, approximately 1 in every 207,524 boys born was named Tirso. STABLE Recent data shows the name is currently stable.