boy's name

Duncan

  • Origin Dutch
  • Gender Boy
  • Syllables 2
  • Letters 6
  • Popularity Uncommon
  • Births on record 30,239

Northern Ireland

#233

1998 births

Duncan is a boy's name with 2 syllables. In 2025 it was given to 190 babies in the United States. It is used consistently but remains uncommon.

  • Duncan is a name of Dutch origin.
  • Peaked in 1997, when 644 babies were given the name.
  • Its usage has held steady over the past decade.
  • Today about 1 in 17,449 babies in the United States is given this name.
  • 2 syllables, with the stress on syllable 1.

Duncan over time

Births per decade in the United States, 1880s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.

4,227
'80 '90 '00 '10 '20 '30 '40 '50 '60 '70 '80 '90 '00 '10 '20
Show the numbers
Births named Duncan by decade in the United States
Decade Births
1880s 139
1890s 117
1900s 116
1910s 542
1920s 767
1930s 653
1940s 1,178
1950s 1,783
1960s 1,389
1970s 933
1980s 1,414
1990s 4,227
2000s 3,965
2010s 2,692
2020s (to 2025) 1,315

How popular is Duncan?

In 2025, Duncan was given to 190 babies in the United States. It is used consistently but remains uncommon.

Where Duncan is used

Northern Ireland #233 5 in 1998
Scotland #263 16 in 2024
Ireland #601 3 in 2004
Canada #789 34 in 2024
United States #1,125 190 in 2025
England & Wales #1,597 17 in 2025
France #3,024 10 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.

US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.

Names that peaked alongside Duncan

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

Parents who like Duncan also like

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

Sibling names for Duncan

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

Common questions about Duncan

How popular is the name Duncan?

In 2025, Duncan was given to 190 babies in the United States. It is used consistently but remains uncommon.

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

Duncan is given almost entirely to boys in birth records.

How many syllables are in Duncan?

Duncan has 2 syllables.

When was Duncan most popular?

Duncan peaked in 1997, when 644 babies were given the name. Its usage has held steady over the past decade.

Is Duncan a good name?

That is not something records can settle, but they can tell you what you would be choosing. Duncan currently ranks #263 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.