Fidelia is a distinctive girls' name in United States, ranking #16965 in 2004 with 5 recorded births. The name reached its all-time peak in 1996 with 9 births ranking #9043. Since 1996, the popularity has decreased by 44.4%. In 2004, approximately 1 in every 367,224 girls born was named Fidelia. RISING Recent data shows the name is currently rising.