Melvyn is a distinctive boys' name in United States, ranking #9604 in 2004 with 7 recorded births. This places Melvyn in the bottom 27% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 20 births ranking #4627. In 2004, approximately 1 in every 283,543 boys born was named Melvyn. FALLING Recent data shows the name is currently falling.