Alphonso is a distinctive boys' name in United States, ranking #3383 in 2017 with 33 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 60.2%. In 2017, approximately 1 in every 56,070 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.