Casen vs Thaddeus

Baby Name Comparison — 2026

Casen

Boy #794 Most Popular 2 Syllables

Meaning

"alert, watchful"

Origin: Irish Gaelic

Cultural Roots

American English

Quick Stats

Popularity Rank
#794
Total SSA Count
316
Syllables
2
Formality
Casual
Nicknames
Case

Playground Safety Score

✓ All Clear
Full profile for Casen →

Popularity Comparison

Casen Rank #794
Thaddeus Rank #850

Casen is more popular, ranked #794 vs #850 for Thaddeus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casen ___

  • Casen James
  • Casen Lee
  • Casen Ryan
  • Casen Allen
  • Casen Wade
  • Casen Scott

Thaddeus ___

  • Thaddeus James
  • Thaddeus William
  • Thaddeus John
  • Thaddeus August
  • Thaddeus Cole
  • Thaddeus Lee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Casen

Mason Aiden Caden Brynn Ava

If you choose Thaddeus

Augustus Sebastian Cornelius Edmund Beatrice

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 Casen or Thaddeus more popular?

Casen is more popular, ranked #794 compared to Thaddeus at #850 in the United States.

What do Casen and Thaddeus mean?

Casen means "alert, watchful" (Irish Gaelic origin). Thaddeus means "courageous heart" (Aramaic origin).

Are Casen and Thaddeus boy or girl names?

Casen is primarily a boy name. Thaddeus is primarily a boy name.

More Comparisons

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← Full profile: Casen ← Full profile: Thaddeus Browse all baby names