Alphonso is a distinctive boys' name in United States, ranking #3866 in 2013 with 26 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 68.7%. In 2013, approximately 1 in every 72,741 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.