Fionn

given name · English · Latin script

Recorded as a male name· opposite-gender records fall within measured source noise

Fionn is a given name, most frequently recorded in Ireland. It appears chiefly in English and German, written in the Latin script. Recorded meaning: F 1 DENCIO.

rarermore common
  • IEIreland1 in 913
  • GBUnited Kingdom1 in 107K
  • ISIceland1 in 88K

carrying the name, one hue, darker where it is more common. Hover a country for its figure.

≈691

across 10 countries

Sources
101

2.7K records

Official registry-verified

1 in 88K

Iceland

Meaning & origin

F 1 DENCIO

Sources 1

  • 25,000 nombres de bebé. La mejor guía para escoger el nombre adecuado

Attested across 11 languages in the etymology graph.

Where in the world

Sorted by bearers counted by national registers, records where none counts.

Where Fionn is recorded, by country
CountryMost common spellingSources
IE Ireland#13010,212619 rec.291Fionn73
GB United Kingdom1,929354 rec.43Fionn78
US United States559864 rec.1 in 595K559Fionn101
AU Australia502419 rec.3Fionn44
CA Canada31029 rec.1Fionn26
DE Germany283228 rec.1Fionn55
AT Austria853 rec.24Fionn9
SG Singapore6255 rec.Fionn19
NL Netherlands3717 rec.1 in 467K37Fionn13
FI Finland302 rec.1 in 186K38Fionn2
MY Malaysia2923 rec.Fionn8
ES Spain2014 rec.1 in 2.5M20Fionn13

Country figures for a list of names, at full precision, are available under licence rather than by scraping this table. How that works.

Languages

  • English14K88%
  • German4293%
  • Spanish2051%
  • French1731%
  • Swahili881%
Show as table
Languages in which the name is recorded
NameRecordsNote
English13,81188%
German4293%
Spanish2051%
French1731%
Swahili881%

Language is read off each record's context, not declared by the bearer; a share is of all records for this spelling.

Other recorded senses

Fionn is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In Scottish Gaelic, fair (of hair or complexion))

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Over time

0102030401980199020002010202040 · 2018

Show as table
Fionn in SSA — National Baby Names (1880–present), United States, 1973–2025
Yearrecords
19735
19978
19985
19996
200016
200113
200211
200315
200416
200525
200618
200720
200829
200929
201025
201125
201237
201328
201424
201531
201629
201733
201840
201925
202023
202140
202228
202331
202422
202525

US SSA — National Baby Names (1880–present)30 years between 1973–2025. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name

1900195020002050Fionn MacColla, b. 1906Fionn Murtagh, b. 1954Fionn Regan, b. 1979Fionn Griffiths, b. 1982Fionn Fitzgerald, b. 1990Fionn O'Shea, b. 1997Fionn Hand, b. 1998Fionn Ferreira, b. 2001

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

Evidence

Attested in 36 sources across 20 countries.

Official registers attesting Fionn
CountryRegisterYearCountRank
US United StatesCensus Bureau — First Name Frequency 2020 by sex2020559#18,480
IE IrelandCSO — Irish Babies Names (1998–present)2019291#16
GB United KingdomNISRA — Baby names Northern Ireland full list (1997–present)202543#44
FI FinlandDVV — Nimipalvelu (Finnish name service, per-name lookup)38#11,093
NL NetherlandsMeertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018)37#8,058
FI FinlandDVV — Etunimitilasto (Finnish given names register)30
NL NetherlandsMeertens NVB — Nederlandse Voornamenbank (live per-name BRP counts, 1790-2017)27#16,609
US United StatesSSA — National Baby Names (1880–present)202525
US United StatesCensus Bureau — First Name Frequency 2020 by sex202024#18,480
AT AustriaStatistik Austria — STATatlas Vornamen WFS (per-name time series 1984–2024)202424#1,820
CA CanadaStatistics Canada — First names at birth by sex at birth (Table 17-10-0147-01)202124
CA CanadaStatistics Canada — First names at birth by sex at birth (Table 17-10-0147-01)201623

Reference works 2

  • Wikipedia given-name tokens
  • Wikidata name items (native-script + romanized given/family names)

These works list the name; their figures are licensed and are not reproduced here.

Register rows as of the 2026-09-12 data build · 217 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Fionn?
We estimate roughly 691 people bear Fionn (counting its spellings and scripts) across 10 countries in our records.
In which country does Fionn have the most bearers?
Fionn is most frequently recorded in Ireland, where it is most often spelled fionn.
How common is Fionn compared with other names?
In Ireland, Fionn is the 130th most common given name of 13,994 given names recorded there.
Is Fionn a male or female name?
Fionn is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
What does the name Fionn mean?
Recorded meaning: F 1 DENCIO
Query this name via API
curl https://api.mondonomo.ai/api/v1/name-graph/fionn

The same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. Rate-limited for casual use. Bulk access and licensing.

About this data

measured from records inferred from the name graph machine-generated

Data snapshot . Figures are rebuilt periodically and will change.

Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.

Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.

Cite this page Mondonomo, “Fionn” — the 130th most common given name in Ireland. Data snapshot 2026-09-12.

See how Fionn parses inside a full name →