Fionn
Fionn is a distinctive choice, ranked #658 in 2025. Your child is likely to be the only Fionn in their class.
About the Name Fionn
Fionn has seen a notable decline in recent years, dropping 156 places in five years. It was most popular in 2022 at #555 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1996.
Fionn is uncommon in the UK, so your child is very likely to be the only Fionn in their class.
⭐ Famous People Named Fionn
- Fionn Carr — Fionn Carr is a former Irish rugby union player.
- Fionn mac Cumhaill — Fionn mac Cumhaill(alternatively spelled Finn mac Cumhaill), sometimes anglicised Finn McCool or MacCool, is a hero in Irish mythology, as well as in later Scottish and Manx folklore.
Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.
Frequently Asked Questions
Common questions about the name Fionn
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Fionn
Almost certainly the only Fionn in the class
UK Popularity (1996–2025)
Rank and birth count · ONS official data
No US data available for this name
✨ Similar names to Fionn
Names with a similar style — each with their own classroom story
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Famous People Named Fionn
Notable people who share this name, from history to the present day. See full list on Wikipedia