Waldo is a distinctive boys' name in United States, ranking #13957 in 2013 with 5 recorded births. The name reached its all-time peak in 1997 with 17 births ranking #4049. Since 1996, the popularity has decreased by 61.5%. In 2013, approximately 1 in every 378,251 boys born was named Waldo. STABLE Recent data shows the name is currently stable.