Fiona is a moderately popular girls' name in United States, ranking #359 in 2022 with 881 recorded births. The name reached its all-time peak in 2017 with 1,683 births ranking #180. Since 1996, the popularity has increased by 134.9%. In 2022, approximately 1 in every 1,860 girls born was named Fiona. FALLING Recent data shows the name is currently falling.