Alex vs Colin

Baby Name Comparison — 2026

Alex

Boy #205 Most Popular 2 Syllables

Meaning

"defender of men"

Origin: Greek

Cultural Roots

English Greek Spanish Russian French

Quick Stats

Popularity Rank
#205
Total SSA Count
1,722
Syllables
2
Formality
Moderate
Nicknames
Al, Lex

Playground Safety Score

✓ All Clear
Full profile for Alex →

Colin

Boy #335 Most Popular 2 Syllables

Meaning

"young dog, whelp"

Origin: Irish/Scottish Gaelic

Cultural Roots

English Irish Scottish American

Quick Stats

Popularity Rank
#335
Total SSA Count
1,035
Syllables
2
Formality
Moderate
Nicknames
Col

Playground Safety Score

✓ All Clear
Full profile for Colin →

Popularity Comparison

Alex Rank #205
Colin Rank #335

Alex is more popular, ranked #205 vs #335 for Colin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alex ___

  • Alex James
  • Alex Michael
  • Alex Thomas
  • Alex Ryan
  • Alex John
  • Alex William

Colin ___

  • Colin James
  • Colin Patrick
  • Colin Michael
  • Colin Andrew
  • Colin Lee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Alex

Ryan Emma Sophie Natalie Jack

If you choose Colin

Declan Ronan Siobhan Bridget Aiden

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 Alex or Colin more popular?

Alex is more popular, ranked #205 compared to Colin at #335 in the United States.

What do Alex and Colin mean?

Alex means "defender of men" (Greek origin). Colin means "young dog, whelp" (Irish/Scottish Gaelic origin).

Are Alex and Colin boy or girl names?

Alex is primarily a boy name. Colin is primarily a boy name.

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← Full profile: Alex ← Full profile: Colin Browse all baby names