How old is someone named Fiona?
The average Fiona is 17 years old.
Half of all living Fionas are between 9 and 22.
When was Fiona popular?
Fiona was a boom name: it shot up, peaked in 2017, and dropped away. That's why most Fionas are close to the same age.
Popular names of 2017 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1940s | 47 | under 100 |
| 1950s | 91 | under 100 |
| 1960s | 438 | 390 |
| 1970s | 597 | 560 |
| 1980s | 955 | 920 |
| 1990s | 3,133 | 3,100 |
| 2000s | 8,783 | 8,700 |
| 2010s | 14,669 | 15,000 |
| 2020s | 5,251 | 5,200 |
How many Fionas are still alive?
About 34,000 Fionas are alive in the US today. That's 99% of the roughly 34,000 babies named Fiona since 1942.
Nearly every Fiona ever born is still alive, because almost all of them are young.
What generation is the name Fiona?
About half of living Fionas are in Gen Alpha, born in 2013 or later.
- Boomer under 1%
- Gen X 3%
- Millennial 7%
- Gen Z 42%
- Gen Alpha 47%
Is Fiona an old name?
No. Fiona is one of the youngest names around: younger than 78 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Fiona will be 34 in 2056, so the name is getting older.
Is Fiona a boy or girl name?
Almost entirely girls: over 99.9% of living Fionas are women.
Names the same age as Fiona
NAME TWIN
Fiona's name twin is Reagan. Of all 3,713 names on AgeByName, Reagan's age curve is the closest match to Fiona's: 93% alike.
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Questions about the name Fiona
How old is the average Fiona?
The average Fiona in the US is 17 years old. The median is 14, so half are older and half younger.
How many people are named Fiona?
About 34,000 Fionas are alive in the US today, out of roughly 34,000 babies given the name since 1942.
When was the name Fiona most popular?
In 2017, when about 1,700 baby girls were named Fiona.
Is Fiona a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 47% of living Fionas, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this