Fidencio is a distinctive boys' name in United States, ranking #4312 in 2004 with 20 recorded births. The name reached its all-time peak in 2001 with 31 births ranking #2952. Since 1996, the popularity has decreased by 13.0%. In 2004, approximately 1 in every 99,240 boys born was named Fidencio. FALLING Recent data shows the name is currently falling.