Alphonso is a distinctive boys' name in United States, ranking #2052 in 2001 with 51 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 38.6%. In 2001, approximately 1 in every 38,095 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.