Melvyn is a distinctive boys' name in United States, ranking #7941 in 2000 with 8 recorded births. This places Melvyn in the bottom 34% 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 2000, approximately 1 in every 245,492 boys born was named Melvyn. FALLING Recent data shows the name is currently falling.