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: Aidan (English)
- Wiktionary: Aidan (Scots)
- Wiktionary: Aidan (Welsh)
- U.S. Social Security Administration: national name data and limitations
- Wikidata: Aidan Gillen
- Wikidata: Aidan Quinn
- Wikidata: Aidan Turner
- Wikidata: Aidan Gallagher
- Wikidata: Aidan Cassar
- Wikidata: Aidan of Lindisfarne
- Wikidata: Francis Aidan Gasquet
- Lindisfarne history
- Aidan Gillen Tony nomination
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.