Alphonso is a distinctive boys' name in United States, ranking #1519 in 1997 with 68 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 18.1%. In 1997, approximately 1 in every 27,722 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.