Alphonso is a distinctive boys' name in United States, ranking #1475 in 1998 with 75 recorded births. This places Alphonso in the top 13% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 83 births ranking #1314. In 1998, approximately 1 in every 25,484 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.