Duncan vs Kelvin

Baby Name Comparison — 2026

Duncan

Boy #1,104 Most Popular 2 Syllables

Meaning

"dark warrior"

Origin: Scottish Gaelic

Cultural Roots

Scottish Irish British American

Quick Stats

Popularity Rank
#1,104
Total SSA Count
194
Syllables
2
Formality
Moderate
Nicknames
Dunc, Dunk

Playground Safety Score

✓ All Clear
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Kelvin

Boy #1,084 Most Popular 2 Syllables

Meaning

"from the River Kelvin, narrow river"

Origin: Brythonic Celtic

Cultural Roots

Scottish English British

Quick Stats

Popularity Rank
#1,084
Total SSA Count
201
Syllables
2
Formality
Moderate
Nicknames
Kel, Kelv

Playground Safety Score

✓ All Clear
Full profile for Kelvin →

Popularity Comparison

Duncan Rank #1,104
Kelvin Rank #1,084

Kelvin is more popular, ranked #1084 vs #1104 for Duncan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Duncan ___

  • Duncan James
  • Duncan Robert
  • Duncan Alistair
  • Duncan Fraser
  • Duncan Ian
  • Duncan Callum

Kelvin ___

  • Kelvin James
  • Kelvin Lee
  • Kelvin Grey
  • Kelvin John
  • Kelvin Paul
  • Kelvin Dean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Duncan

Callum Alistair Isla Fiona Malcolm

If you choose Kelvin

Melvin Kevin Calvin Alvin Gavin

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Duncan or Kelvin more popular?

Kelvin is more popular, ranked #1084 compared to Duncan at #1104 in the United States.

What do Duncan and Kelvin mean?

Duncan means "dark warrior" (Scottish Gaelic origin). Kelvin means "from the River Kelvin, narrow river" (Brythonic Celtic origin).

Are Duncan and Kelvin boy or girl names?

Duncan is primarily a boy name. Kelvin is primarily a boy name.

More Comparisons

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← Full profile: Duncan ← Full profile: Kelvin Browse all baby names