Renso is a distinctive boys' name in United States, ranking #7276 in 2000 with 9 recorded births. This places Renso in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 9 births ranking #7276. In 2000, approximately 1 in every 218,215 boys born was named Renso. FALLING Recent data shows the name is currently falling.