Alonso is a distinctive boys' name in United States, ranking #639 in 2000 with 285 recorded births. This places Alonso in the top 5% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2010 with 380 births ranking #636. Since 1996, the popularity has increased by 47.7%. In 2000, approximately 1 in every 6,891 boys born was named Alonso. RISING Recent data shows the name is currently rising.