Aidan
Aidan was the 326th most popular name for boys in 2025, given to 1,043 babies. Its best year was 2003, when it ranked 39th with 10,067 babies. Over the last ten years it has moved down 141 places. More babies were named Aidan in the 2000s than in any other decade.
Meaning (as Aiden) little fire (variant of Aidan) · Irish
- Rank in 2025
- #326 boys, down 65 places since 2020
- Babies in 2025
- 1,043boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 200310,067 babies
- Total since 1880
- 121,158babies recorded
What does the name Aidan mean?
Aidan is a spelling of Aiden, pronounced the same way, so it shares Aiden's meaning and origin.
Aiden is a spelling variant of Aidan, the English form of the Irish name Aodhán. Aodhán is a diminutive of Aodh, an old Irish name that means 'fire'; Aodh was also the name of a Celtic deity linked with the sun. The best-known early bearer is Saint Aidan, a 7th-century Irish monk who founded the monastery of Lindisfarne in northern England. The -en spelling is a modern American preference that rose with Aidan and with rhyming names such as Jayden and Brayden.
Aodhán (Irish, “little fire; diminutive of Aodh”)Aodh (Irish, “fire”)
How sure is this? Well established.
Related names: Aidan, Aydan, Ayden, Aodhán.
See also: Irish names.
Sources for this meaning
- Wiktionary, entry 'Aiden', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wiktionary, entry 'Aidan', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Aidan', Wikipedia (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Aidan of Lindisfarne', Wikipedia (Wikimedia Foundation); facts restated, no text reused
Aidan popularity since 1880
A few girls are given the name too: 2,727 since 1973, 8 in 2025.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #326 | 1,043 |
| 2020 | #261 | 1,331 |
| 2010 | #94 | 4,311 |
| 2000 | #114 | 3,296 |
| 1990 | #890 | 134 |
| 1980 | #1,965 | 28 |
| 1970 | #2,509 | 14 |
| 1960 | #3,079 | 8 |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Aidan, counting every spelling?
Aidan is a spelling of Aiden, a name family that ranked #25 for boys in 2025 once every spelling is counted together, compared with #326 for Aidan on its own. Together these spellings went to 8,210 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Aiden | 5,046 | #62 | 34,174 |
| Ayden | 1,343 | #257 | 9,779 |
| Aidan | 1,043 | #326 | 5,624 |
| Aden | 224 | #1,008 | 1,439 |
| Aydin | 147 | #1,315 | 933 |
| Aydan | 85 | #1,853 | 601 |
| Eidan | 187 | #1,136 | 447 |
| Aidyn | 41 | #2,994 | 340 |
| Aedan | 30 | #3,659 | 221 |
| Aayden | 14 | #6,144 | 91 |
| Aeden | 14 | #6,153 | 88 |
| Aaiden | 12 | #6,804 | 76 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Aidan?
1,043 of the 3,606,400 babies born in the US in 2025 were named Aidan (0.29 per 1,000 births). For a boy named Aidan born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 8 (of 430 pupils) would have a child named Aidan.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Aidan?
About 116,700 people born in the US named Aidan are alive today, with a median age of 20; half are between 16 and 23. That makes Aidan mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Aidan by state
How common Aidan was among boys born in each state in 2021–2025. It is notably more common than nationally in District of Columbia (3.5×), Rhode Island (3.2×), Massachusetts (2.7×), New Hampshire (2.0×), Hawaii (2.0×). It is least common, relative to the national rate, in Maine, Mississippi, Montana.
Names with a similar history
These names rose and fell in step with Aidan: their share of US boys followed the most similar curve since 1880. If you like Aidan, they share its era and feel.
Questions about the name Aidan
What does Aidan mean?
Aidan is a spelling of Aiden, which means “little fire (variant of Aidan)” (Irish origin). Certainty: well established.
How popular is the name Aidan?
Aidan was the 326th most popular name for boys in 2025, given to 1,043 babies. Its best year was 2003, when it ranked 39th with 10,067 babies. Over the last ten years it has moved down 141 places. More babies were named Aidan in the 2000s than in any other decade.
Is Aidan a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Aidan in the US.
Where is Aidan most popular?
In 2021–2025, Aidan was most common in District of Columbia (2.30 per 1,000 boys), followed by Rhode Island and Massachusetts.