Alphonso is a distinctive boys' name in United States, ranking #2102 in 2003 with 53 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 36.1%. In 2003, approximately 1 in every 37,269 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.