Alejo is a distinctive boys' name in United States, ranking #4674 in 1997 with 13 recorded births. This places Alejo in the top 43% 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 decreased by 23.5%. In 1997, approximately 1 in every 145,007 boys born was named Alejo. RISING Recent data shows the name is currently rising.