Fidencio is a distinctive boys' name in United States, ranking #9061 in 2013 with 8 recorded births. The name reached its all-time peak in 2001 with 31 births ranking #2952. Since 1996, the popularity has decreased by 65.2%. In 2013, approximately 1 in every 236,407 boys born was named Fidencio. FALLING Recent data shows the name is currently falling.