Alphonso is a distinctive boys' name in United States, ranking #3527 in 2016 with 31 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 62.7%. In 2016, approximately 1 in every 61,200 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.