Isidro is a distinctive boys' name in United States, ranking #1815 in 2025 with 88 recorded births. This places Isidro in the top 13% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 160 births ranking #951. Since 1996, the popularity has decreased by 29.0%. In 2025, approximately 1 in every 19,410 boys born was named Isidro. RISING Recent data shows the name is currently rising.