Duncan
A boys’ name of Scottish Gaelic origin, meaning brown warrior or brown-haired warrior.
Babies a year
250
the US, 2017
Rarity
Rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#1538
17 babies
How Duncan has moved
View as table
| Year | US rank |
|---|---|
| 2015 | #790 |
| 2016 | #804 |
| 2017 | #869 |
| 2018 | #914 |
| 2020 | #983 |
| 2022 | #924 |
| 2023 | #930 |
In 2025, 17 babies in England and Wales were named Duncan. In the US, 250 were, though that figure is from 2017 — the most recent full year we hold. Its US peak was 644 in 1997.
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