Isidoro is a distinctive boys' name in United States, ranking #8818 in 2002 with 7 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #3979. Since 1996, the popularity has decreased by 46.2%. In 2002, approximately 1 in every 277,353 boys born was named Isidoro. RISING Recent data shows the name is currently rising.