Fidencio is a distinctive boys' name in United States, ranking #6553 in 2009 with 13 recorded births. The name reached its all-time peak in 2001 with 31 births ranking #2952. Since 1996, the popularity has decreased by 43.5%. In 2009, approximately 1 in every 152,562 boys born was named Fidencio. FALLING Recent data shows the name is currently falling.