Alphonso is a distinctive boys' name in United States, ranking #2130 in 2004 with 55 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 33.7%. In 2004, approximately 1 in every 36,087 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.