Isidro is a distinctive boys' name in United States, ranking #1014 in 1999 with 138 recorded births. The name reached its all-time peak in 2000 with 160 births ranking #951. Since 1996, the popularity has increased by 11.3%. In 1999, approximately 1 in every 13,914 boys born was named Isidro. RISING Recent data shows the name is currently rising.