The first name Iain
A boy’s name from Scottish Gaelic.
2 syllables Male
Meaning and origin
Scottish Gaelic origin
From Scottish Gaelic. Cognate of John; see there for more.
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
Iain last appeared in the official list in 2021, given to 4 boys. It peaked in 1996, with 76 births (#319).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Iain with other names.
Popularity in the United States
Babies named Iain at birth, 1880–2025
In 2025, 11 boys born in the United States were named Iain, the 7,357th most popular boys’ name that year. It was used most in 2003, when 126 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Nicknames and spellings
Other spellings and forms
Famous people named Iain
19 on Wikidata, most written-about first
- Iain ArmitageAmerican actor, born 2008
- Iain Duncan SmithBritish politician, born 1954
- Iain MacleodBritish politician, cabinet minister and contract bridge player (1913-1970)
- Iain PercyBritish sailor, born 1976
- Iain PearsBritish writer and art historian, born 1955
- Iain HumeCanadian soccer player, born 1983
- Iain SoftleyBritish film director, born 1956
- Iain CanningBritish film producer, born 1979
- Iain BrambellCanadian rower, born 1973
- Iain DowieEnglish football manager (born 1965)
- Iain RamsayAustralian association football player, born 1988
- Iain StewartBritish politician (born 1972)
More Scottish Gaelic boys’ names
Questions
- What does the name Iain mean?
- From Scottish Gaelic. Cognate of John; see there for more.
- What is the origin of the name Iain?
- From Scottish Gaelic. Cognate of John; see there for more.
- How popular is the name Iain?
- In 2021, 4 boys born in England and Wales were named Iain, ranking 3,990th. Its peak was 1996, with 76 births.
- Is Iain a boy's or a girl's name?
- Mostly a boy's name: 100% of the 2,911 US babies named Iain since 1880 were boys.
- When was Iain most popular?
- 2003 in the United States, when 126 babies were named Iain, its highest rank at 1,181st.
- What are other spellings of Iain?
- Ian.