Carlos vs Isaac

Baby Name Comparison — 2026

Carlos

Boy #135 Most Popular 2 Syllables

Meaning

"strong, virile"

Origin: Old High German

Cultural Roots

Spanish Portuguese Latin American

Quick Stats

Popularity Rank
#135
Total SSA Count
2,614
Syllables
2
Formality
Moderate
Nicknames
Carlito, Carly

Playground Safety Score

✓ All Clear
Full profile for Carlos →

Isaac

Boy #40 Most Popular 3 Syllables

Meaning

"He will laugh; laughter"

Origin: Hebrew

Cultural Roots

English Jewish Spanish French

Quick Stats

Popularity Rank
#40
Total SSA Count
6,498
Syllables
3
Formality
Moderate
Nicknames
Ike, Izzy, Zac

Playground Safety Score

✓ All Clear
Full profile for Isaac →

Popularity Comparison

Carlos Rank #135
Isaac Rank #40

Isaac is more popular, ranked #40 vs #135 for Carlos.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Carlos ___

  • Carlos Miguel
  • Carlos Antonio
  • Carlos Eduardo
  • Carlos Fernando
  • Carlos Alberto
  • Carlos Jose

Isaac ___

  • Isaac James
  • Isaac Alexander
  • Isaac John
  • Isaac Thomas
  • Isaac Oliver
  • Isaac William

Sibling Name Ideas

Names that pair well as siblings.

If you choose Carlos

Miguel Diego Sofia Valentina Isabella

If you choose Isaac

Elijah Noah Jonah Miriam Hannah

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 Carlos or Isaac more popular?

Isaac is more popular, ranked #40 compared to Carlos at #135 in the United States.

What do Carlos and Isaac mean?

Carlos means "strong, virile" (Old High German origin). Isaac means "He will laugh; laughter" (Hebrew origin).

Are Carlos and Isaac boy or girl names?

Carlos is primarily a boy name. Isaac is primarily a boy name.

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← Full profile: Carlos ← Full profile: Isaac Browse all baby names