NameYear

Girls' name · peaked in 2017

Fiona name popularity since 1925

33,964 babies born in the US from 1925 to 2025 were named Fiona. Half of them were born in 2012 or earlier, so the typical Fiona is about 14 years old in 2026. Fiona peaked in 2017 as the #180 name for girls, and it ranked #470 in 2025.

US babies since 1925
33,964
Named Fiona, 1925–2025
Peak year
2017
#180 for girls that year
Typical age
About 14
Median birth year 2012
In 2025
#470
for girls in 2025 (654 babies)
Girls / boys
100.0% girls
33,959 girls · 5 boys
Most popular in
Massachusetts
2.40× its national share

Peak year is the year Fiona made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Fiona births per year, 1925–2025

Babies named Fiona per year, 1925–2025

2017 was the biggest year for Fiona both by count and as a share of all babies.

  • Fastest rise: Between 1992 and 1997, Fiona became 2.7× more common, from 1 in 10,200 baby girls to 1 in 3,790.
  • Steepest fall: Between 2017 and 2022, its share of baby girls fell by 45%, from 1 in 1,030 to 1 in 1,860.

Shaded on the chart. Both compare Fiona's share of all US girls five years apart, counting only years with at least 100 babies named Fiona.

Decade by decade

Babies named Fiona in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 00 –
1930s 00 Under 5
1940s 470 Under 5
1950s 910 #5,405
1960s 4380 #1,866
1970s 5970 #1,658
1980s 9550 #1,412
1990s 3,1330 #791
2000s 8,7785 #371
2010s 14,6690 #219
2020–25 5,2510 #470

Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.

Generation fingerprint

46.9% of babies named Fiona from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:

Fiona by generation Silent Generation born 1928–45 0.1% Baby Boomers born 1946–64 0.8% Gen X born 1965–80 2.8% Millennials born 1981–96 7.4% Gen Z born 1997–2012 42.0% Gen Alpha born 2013–25 46.9%

Where Fiona is most popular

The index compares Fiona's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Fiona.

StateIndexBabies
Massachusetts2.40×1,815
Washington2.22×1,183
Oregon2.16×645
Connecticut1.88×650
Colorado1.82×715

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Fiona's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Fiona.

Names from the same era

Other common names that peaked within two years of Fiona (2017).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data