An estimated 33,336 living Americans are named Fiona.
How rare is Fiona?
Fiona is moderately uncommon among babies today, with 654 girls receiving the name in 2025, down 61.1% from its 2017 peak.
How old is the typical Fiona?
The median age of a living American named Fiona is approximately 14 years, with most bearers falling between 9 and 22 years old.
Is Fiona still popular?
Not especially. Fiona has been declining since its 2017 peak and registered 654 births in 2025.
Where is Fiona most common?
Fiona has its strongest geographic signal in District of Columbia, where it appears 5.3× more often than the national baseline.
1942Peak 20172025
Peak year
2017
Decline from peak
61.1%
2025
654
All-time
33,959
Diaspora map
Fiona broke out in Colorado, Connecticut, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New York, Oregon, Vermont, Washington, and Wisconsin (2002) and became over-represented in 29 states over 22 years.
Broke out: Colorado, Connecticut, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New York, Oregon, Vermont, Washington, and Wisconsin, 2002 · over-represented in 29 states over 22 years