Caleb vs Thomas

Baby Name Comparison — 2026

Caleb

Boy #49 Most Popular 2 Syllables

Meaning

"From Hebrew 'Kalev'; possibly related to 'kelev' meaning dog, symbolizing faithfulness and loyalty; the biblical Caleb was one of the twelve spies sent to Canaan"

Origin: Biblical

Cultural Roots

English Jewish American

Quick Stats

Popularity Rank
#49
Total SSA Count
5,766
Syllables
2
Formality
Moderate
Nicknames
Cale, Cal

Playground Safety Score

✓ All Clear
Full profile for Caleb →

Thomas

Boy #39 Most Popular 2 Syllables

Meaning

"Twin"

Origin: Aramaic

Cultural Roots

English French German Spanish Irish

Quick Stats

Popularity Rank
#39
Total SSA Count
6,576
Syllables
2
Formality
Moderate
Nicknames
Tom, Tommy, Thom

Playground Safety Score

✓ All Clear
Full profile for Thomas →

Popularity Comparison

Caleb Rank #49
Thomas Rank #39

Thomas is more popular, ranked #39 vs #49 for Caleb.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caleb ___

  • Caleb James
  • Caleb Thomas
  • Caleb Alexander
  • Caleb William
  • Caleb Owen
  • Caleb Reid

Thomas ___

  • Thomas James
  • Thomas William
  • Thomas Edward
  • Thomas Robert
  • Thomas Henry
  • Thomas Alexander

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caleb

Eli Noah Joshua Elijah Hannah

If you choose Thomas

Elizabeth Charlotte Margaret James William

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 Caleb or Thomas more popular?

Thomas is more popular, ranked #39 compared to Caleb at #49 in the United States.

What do Caleb and Thomas mean?

Caleb means "From Hebrew 'Kalev'; possibly related to 'kelev' meaning dog, symbolizing faithfulness and loyalty; the biblical Caleb was one of the twelve spies sent to Canaan" (Biblical origin). Thomas means "Twin" (Aramaic origin).

Are Caleb and Thomas boy or girl names?

Caleb is primarily a boy name. Thomas is primarily a boy name.

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← Full profile: Caleb ← Full profile: Thomas Browse all baby names