Rett is a distinctive boys' name in United States, ranking #12243 in 2008 with 6 recorded births. This places Rett in the bottom 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 8 births ranking #9471. In 2008, approximately 1 in every 339,991 boys born was named Rett. STABLE Recent data shows the name is currently stable.