Alphonzo is a distinctive boys' name in United States, ranking #5049 in 1999 with 13 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #3550. Since 1996, the popularity has decreased by 31.6%. In 1999, approximately 1 in every 147,699 boys born was named Alphonzo. RISING Recent data shows the name is currently rising.