Fion
- US rank
- Unranked
- Syllables
- 1
- Peak
- #9,247 in 1990
0 babies were named Fion in the US in 2025.
Found on lists
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US births per million girls, 1990–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Fion you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryFion first shows up in US birth records in 1990, the first year at least 5 babies got it. It has been in use for 35 years since.
- Best yearIts best year was 1990, when it reached #9,247.
About the name Fion
Fion is a girl name of Irish origin. It has 4 letters and 1 syllable, starting with F and ending in “-ion”. US birth records list Fion for girls from 1990 to 2001, in 5 of those 12 years. Its best year was 1990, when it ranked #9,247 among girl names. It hasn't been given to 5 or more US babies in a year since 2001, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 1.5 | 657,895 girls |
| 2000s | 2.5 | 400,000 girls |
Other spellings of Fion
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Fion
What is the origin of the name Fion?
Fion has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Fion a boy or girl name?
Fion is a girl name.
How popular is the name Fion?
Fion is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2001. It peaked at #9,247 in 1990.