Nicasio is a distinctive boys' name in United States, ranking #8849 in 2000 with 7 recorded births. The name reached its all-time peak in 1998 with 13 births ranking #5096. Since 1996, the popularity has increased by 40.0%. In 2000, approximately 1 in every 280,562 boys born was named Nicasio. FALLING Recent data shows the name is currently falling.