boy's name

Iain

  • Gender Boy
  • Syllables 2
  • Letters 4
  • Popularity Rare
  • Births on record 11,664

Northern Ireland

#351

2007 births

Iain is a boy's name with 2 syllables. In 2025 it was given to 11 babies in the United States. It is a rare choice.

  • Peaked in Scotland in 1979, when 392 babies were given the name.
  • It has been falling over the past decade in Scotland.
  • Today about 1 in 12,709 babies in Scotland is given this name.
  • First appears in birth records in 1974.
  • 2 syllables, with the stress on syllable 2.

Iain over time

Births per decade in Scotland, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2024, not a full ten years.

3,127
'70 '80 '90 '00 '10 '20
Show the numbers
Births named Iain by decade in Scotland
Decade Births
1970s 2,224
1980s 3,127
1990s 1,369
2000s 342
2010s 103
2020s (to 2024) 26

How popular is Iain?

In 2024, Iain was given to 3 babies in Scotland, ranking #900 that year. It is a rare choice.

Where Iain is used

Northern Ireland #351 4 in 2007
Ireland #722 4 in 2011
Scotland #900 3 in 2024
Canada #2,582 7 in 2022
France #3,461 5 in 1993
England & Wales #4,712 4 in 2021
United States #7,632 11 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

Figures for Scotland withhold any name given to fewer than three babies in a year, so a gap means the name fell below that floor rather than went unused. Data & sources.

Names that peaked alongside Iain

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Iain also like

Names whose popularity has risen and fallen in step with Iain over the last century — the same taste, a different name.

Sibling names for Iain

Names from the same era that won't rhyme or share an initial with Iain — the two things that make a sibling set grate.

Common questions about Iain

How popular is the name Iain?

In 2024, Iain was given to 3 babies in Scotland, ranking #900 that year. It is a rare choice.

Is Iain a girl's or a boy's name?

Iain is given almost entirely to boys in birth records.

How many syllables are in Iain?

Iain has 2 syllables.

When was Iain most popular?

Iain peaked in 1979, when 392 babies were given the name. It has been falling over the past decade.

Is Iain a good name?

That is not something records can settle, but they can tell you what you would be choosing. Iain currently ranks #900 in Scotland. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.