Alonzo is a distinctive boys' name in United States, ranking #517 in 2000 with 434 recorded births. This places Alonzo in the top 4% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2022 with 651 births ranking #471. In 2000, approximately 1 in every 4,525 boys born was named Alonzo. STABLE Recent data shows the name is currently stable.