Alphonso is a distinctive boys' name in United States, ranking #2634 in 2008 with 47 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 43.4%. In 2008, approximately 1 in every 43,403 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.