Fidencio is a distinctive boys' name in United States, ranking #3036 in 2002 with 30 recorded births. The name reached its all-time peak in 2001 with 31 births ranking #2952. Since 1996, the popularity has increased by 30.4%. In 2002, approximately 1 in every 64,716 boys born was named Fidencio. FALLING Recent data shows the name is currently falling.