Fiona is a moderately popular girls' name in United States, ranking #400 in 2023 with 766 recorded births. The name reached its all-time peak in 2017 with 1,683 births ranking #180. Since 1996, the popularity has increased by 104.3%. In 2023, approximately 1 in every 2,092 girls born was named Fiona. FALLING Recent data shows the name is currently falling.