Isidoro is a distinctive boys' name in United States, ranking #5522 in 2007 with 16 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #3979. Since 1996, the popularity has increased by 23.1%. In 2007, approximately 1 in every 129,702 boys born was named Isidoro. RISING Recent data shows the name is currently rising.