Fidencio is a distinctive boys' name in United States, ranking #11244 in 2012 with 6 recorded births. The name reached its all-time peak in 2001 with 31 births ranking #2952. Since 1996, the popularity has decreased by 73.9%. In 2012, approximately 1 in every 316,104 boys born was named Fidencio. FALLING Recent data shows the name is currently falling.