Alejo is a distinctive boys' name in United States, ranking #4544 in 2025 with 22 recorded births. This places Alejo in the top 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 22 births ranking #4544. Since 1996, the popularity has increased by 29.4%. In 2025, approximately 1 in every 77,640 boys born was named Alejo. RISING Recent data shows the name is currently rising.