Alphonso is a distinctive boys' name in United States, ranking #2766 in 2007 with 43 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 48.2%. In 2007, approximately 1 in every 48,261 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.