Brendan vs Thaddeus

Baby Name Comparison — 2026

Brendan

Boy #1,013 Most Popular 2 Syllables

Meaning

"prince, chieftain"

Origin: Celtic

Cultural Roots

Irish American English Australian

Quick Stats

Popularity Rank
#1,013
Total SSA Count
221
Syllables
2
Formality
Moderate
Nicknames
Bren, Brenny

Playground Safety Score

✓ All Clear
Full profile for Brendan →

Thaddeus

Boy #850 Most Popular 3 Syllables

Meaning

"courageous heart"

Origin: Aramaic

Cultural Roots

English Polish American Catholic

Quick Stats

Popularity Rank
#850
Total SSA Count
284
Syllables
3
Formality
Formal
Nicknames
Thad, Tad, Taddy

Playground Safety Score

✓ All Clear
Full profile for Thaddeus →

Popularity Comparison

Brendan Rank #1,013
Thaddeus Rank #850

Thaddeus is more popular, ranked #850 vs #1013 for Brendan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Brendan ___

  • Brendan James
  • Brendan Patrick
  • Brendan Michael
  • Brendan Thomas
  • Brendan John
  • Brendan Paul

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 Brendan

Siobhan Declan Caitlin Connor Fiona

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 Brendan or Thaddeus more popular?

Thaddeus is more popular, ranked #850 compared to Brendan at #1013 in the United States.

What do Brendan and Thaddeus mean?

Brendan means "prince, chieftain" (Celtic origin). Thaddeus means "courageous heart" (Aramaic origin).

Are Brendan and Thaddeus boy or girl names?

Brendan is primarily a boy name. Thaddeus is primarily a boy name.

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