Manly is a distinctive boys' name in United States, ranking #11511 in 2000 with 5 recorded births. This places Manly in the bottom 5% 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 5 births ranking #11511. In 2000, approximately 1 in every 392,786 boys born was named Manly. STABLE Recent data shows the name is currently stable.