Nicasio is a distinctive boys' name in United States, ranking #8089 in 2001 with 8 recorded births. The name reached its all-time peak in 1998 with 13 births ranking #5096. Since 1996, the popularity has increased by 60.0%. In 2001, approximately 1 in every 242,854 boys born was named Nicasio. FALLING Recent data shows the name is currently falling.