Aidan

#326 in 2025Boys' name

Little fire

Aidan has been given to 121,158 babies in the U.S. since 1936. In 2025 it ranked #326 of 13,926 boys’ names in use. Its peak year was 2003, with 10,067 recorded.

Babies named Aidan, 2025

1 in 3,180

Aidan over time, 1880–2025

BoysGirls
05K10K15K18801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Aidan: meaning, origin, and history

Little fire

Irish, from Old Irish Áedán

Aidan: an Irish name meaning little fire

Aidan means “little fire.” It is an English form of Irish Aodhán, from the Old Irish Áedán, a diminutive of Áed. The name has a long history among Irish rulers and saints, including the monk who established a monastery on Lindisfarne. Its familiar modern sound therefore belongs to a name with roots reaching back to the early medieval world.

Meaning and early Irish history

The fire meaning comes from Áed, later written Aodh. Adding the diminutive ending produced Áedán, “little fire,” which developed into modern Aodhán. Aidan gives that Irish name an English spelling and pronunciation.

An early royal bearer was a sixth-century king of Dál Riata. Several early Irish saints also bore the name, including a bishop of Ferns and the seventh-century bishop of Lindisfarne. These connections established Aidan in religious and historical memory long before it became a popular American first name.

Saint Aidan and Lindisfarne

In 635, King Oswald of Northumbria called Aidan from the monastery of Iona to serve as bishop in his kingdom. Aidan was an Irish monk, while Iona lay off the coast of what is now Scotland. His journey connected the island's monastic community with the developing Christian kingdom of Northumbria.

Oswald gave Aidan and his companions Lindisfarne, a small tidal island near the royal center at Bamburgh. There they founded a monastery and bishopric. The community became an important base for Christianity in northern Anglo-Saxon England and, in time, a major center of religious culture.

Lindisfarne is also associated with Saint Cuthbert and the early-eighth-century Lindisfarne Gospels. Those later connections grew from the institution founded by Aidan and his companions. The buildings visible today belong to a much later priory, but the name Aidan remains central to the site's earliest monastic story.

A contemporary bearer

Actor Aidan Gillen supplies a modern theatrical connection. He received a 2004 Tony nomination for a featured role in the play The Caretaker. His use of the name places the traditional Irish spelling in a contemporary performing-arts setting alongside its much older historical associations.

Pronunciation and related spellings

Aidan is pronounced AY-dun in English, with two syllables and the emphasis on the first. Aiden, Ayden, Aden, and Aydan are established alternatives, while Aodhán retains the Irish spelling. Braden and Hayden share its ending sound but have different histories.

Popularity in the United States

Aidan's largest American count and best national rank came in 2003: 10,067 boys and number 39. It later ranked number 185 in 2015, number 261 in 2020, and number 326 in 2025. Those figures describe this particular spelling; Aiden and the other forms have separate records.

Sources & methodologyReferences, data & attribution

Meaning and history draw on the references below. American popularity figures use published Social Security Administration records for this exact spelling; counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Aidan?

In 2025, Aidan ranked #326 among boys in the United States, with 1,043 recorded uses. The U.S. birth records first list this spelling for boys in 1936; its largest annual count was 10,067 in 2003. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Aidan?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 3,180
1,043 of 3,315,165 births
Among boys only
1 in 1,640
0.06% of boys
Rank, 2025
#326
of 13,926 boys’ names in use
Coin-flip room size
2,204 kids
Even odds of a second one

Where Aidan sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 1003%
School of 50015%

Put another way: gather 2,204 children born in 2025 and it's an even bet that one of them is another Aidan. In a class of 30 the chance is Under 1%.

When Aidans were born

Half of everyone ever recorded as Aidan was born before 2006 — so the typical Aidan is around 19 today.

Median birth year
2006
About 19 years old
Biggest decade
2000s
64.6% of all use
Born in the last 25 years
89.2%
A modern name
Recorded since 1950
118,426
People you could plausibly meet
Choose a decade

2000s — 64.6% of all recorded uses (76,513).

Is Aidan rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−14
Places dropped
Rank vs 5 years ago
−65
Places dropped
Rank vs 10 years ago
−141
Places dropped
Births vs 10 years ago
0.46×
Fewer babies than then
Share of its own peak
10.4%
Peak was 2003 (10,067)
Years since peak
22
Years
Year-to-year steadiness
Steady
10.5% average annual change
Best rank ever
#39
2003

Spellings of Aidan

Aidan is not the most common spelling — Adam is, with 23.7% against Aidan's 4.8%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Aidan is used

Across 2016–2025, Aidan was most concentrated in District of Columbia — about 1 in 463 boys, against 1 in 1,113 across all states with data. It was least common in Alaska (1 in 5,263).

19216 per 100,000

Most concentrated

  1. 1District of Columbia1 in 463
  2. 2Massachusetts1 in 503
  3. 3Rhode Island1 in 559
  4. 4New Hampshire1 in 649
  5. 5Connecticut1 in 662
  6. 6New York1 in 714
  7. 7New Jersey1 in 725
  8. 8Virginia1 in 806

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Geographically, Aidan is somewhat regional — more concentrated than 36% of the names used widely enough to compare. See the most regional names

Aidan around the world

Where Aidan ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #265
    in 2025
  • Scotland
    1974–2025
    #125
    in 2025
  • Northern Ireland
    1997–2025
    #95
    in 2025
  • Ireland
    1964–2025
    #82
    in 2025
  • France
    1994–2025
    #1,694
    in 2025
  • Canada
    1991–2024
    #265
    in 2024
  • South Australia
    1950–2013
    #88
    in 2013
  • New South Wales
    1993–2012
    #87
    in 2012

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada, Consumer and Business Services (South Australia) and NSW Registry of Births, Deaths & Marriages. ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA, NSW BDM data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Aidan

People whose public names include Aidan, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Aidan in other languages

Cross-language forms and variants of Aidan. Linked forms have their own page here.

AidyAedanAodhanAidanoAodhán

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Aidan by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#326
Trend vs 5 yrs ago
Down 65
Best rank ever
#39
2003
Peak year
2003
10,067 that year
First recorded
1936
Last recorded
2025
All-time count
118,431
Count in 2025
1,043

As a girl's name

Rank in 2025
#10,949
Trend vs 5 yrs ago
Down 5,943
Best rank ever
#1,007
2003
Peak year
2003
229 that year
First recorded
1973
Last recorded
2025
All-time count
2,727
Count in 2025
8

Names similar to Aidan

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Aidan

Not spelling — timing. These names rose, peaked and faded in the same years as Aidan, so they read as being from the same moment even when they look nothing alike.

Sibling names for Aidan

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Aidan