Alonzo is a moderately popular boys' name in United States, ranking #474 in 2018 with 612 recorded births. This places Alonzo in the top 3% 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 50.4%. In 2018, approximately 1 in every 2,966 boys born was named Alonzo. STABLE Recent data shows the name is currently stable.