Alonzo is a moderately popular boys' name in United States, ranking #479 in 1997 with 450 recorded births. This places Alonzo in the top 4% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2022 with 651 births ranking #471. Since 1996, the popularity has increased by 10.6%. In 1997, approximately 1 in every 4,189 boys born was named Alonzo. STABLE Recent data shows the name is currently stable.