Nicasio is a distinctive boys' name in United States, ranking #8616 in 2016 with 9 recorded births. The name reached its all-time peak in 1998 with 13 births ranking #5096. Since 1996, the popularity has increased by 80.0%. In 2016, approximately 1 in every 210,801 boys born was named Nicasio. FALLING Recent data shows the name is currently falling.