Tirso is a distinctive boys' name in United States, ranking #8073 in 2010 with 10 recorded births. The name reached its all-time peak in 2007 with 10 births ranking #8108. Since 1996, the popularity has increased by 100.0%. In 2010, approximately 1 in every 191,841 boys born was named Tirso. STABLE Recent data shows the name is currently stable.