Phiona is a distinctive girls' name in United States, ranking #15478 in 2017 with 6 recorded births. This places Phiona in the bottom 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 12 births ranking #9843. In 2017, approximately 1 in every 287,646 girls born was named Phiona. STABLE Recent data shows the name is currently stable.