Fionn
Fionn is a male given name: 96% of people named Fionn are men, and it is recorded as male in 2 of the 3 countries covered.
We have limited data on this name. Treat the verdict as a lead, not a certainty.
- Verdict
- Male
- Male / female split
- 96% male / 4% female
- Confidence
- Low (fewer than 8 weighted country observations)
- Most common in
- United States, Great Britain, Ireland
- US births since 1880
- 446 male / 0 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Fionn
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Fionn," in English, "Guten Tag Fionn," in German. Fionn is a male given name: about 96% of people named Fionn are men. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Fionn,
German
Guten Tag Fionn,
French
Bonjour Fionn,
Spanish
Estimado/a Fionn:
Chinese
Fionn您好：
Japanese
Fionn様
English
Hi Fionn,
German
Hi Fionn,
French
Salut Fionn,
Spanish
Hola Fionn,
Chinese
Fionn你好：
Japanese
Fionnさん
This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.
Country breakdown
| Country | How common | Usually | Male share |
|---|---|---|---|
| United States | rare | man's name | 100% |
| Great Britain | rare | man's name | 75% |
| Ireland | rare | man's name | 98% |
United States birth data
446 male · 0 female · 446 births recorded
Since 1980: 100% male.
Frequently asked questions
Is Fionn a male or female name?
Fionn is a male given name: 96% of people named Fionn are men, and it is recorded as male in 2 of the 3 countries covered.
How do I address Fionn in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Fionn," in English, "Guten Tag Fionn," in German. Fionn is a male given name: about 96% of people named Fionn are men. A quick look at a profile confirms it for certain.
Is Fionn a unisex name?
Fionn is not a unisex name: 96% of people named Fionn are men. Fionn leans strongly male overall.
Related names
Sources
Gender by country: nam_dict, the c't first-names dictionary by Joerg Michael, roughly 44,000 names across 55 countries, licensed GFDL. US frequencies: United States Social Security Administration baby-name data, public domain. Method: how we classify names. Full dataset: data & licences. Data built 2026-09-11.
DearWho, "Is Fionn a male or female name?", https://dearwho.vercel.app/name/fionn (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_fionn,
title = {Is Fionn a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/fionn},
note = {Data: nam_dict (GFDL), US SSA public domain}
}