Alejo is a distinctive boys' name in United States, ranking #7068 in 2014 with 11 recorded births. The name reached its all-time peak in 2025 with 22 births ranking #4544. Since 1996, the popularity has decreased by 35.3%. In 2014, approximately 1 in every 174,585 boys born was named Alejo. RISING Recent data shows the name is currently rising.