Oliver vs Thadeus

Baby Name Comparison — 2026

Oliver

Boy #3 Most Popular 3 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English French Scandinavian

Quick Stats

Popularity Rank: #3
Total SSA Count: 15,343
Syllables: 3
Formality: Moderate
Nicknames: Ollie, Oli

Playground Safety Score

✓ All Clear

Similar Names

Parker Graham Mason Alexander

Full profile for Oliver →

Thadeus

Boy #19,240 Most Popular

Quick Stats

Popularity Rank: #19,240
Total SSA Count: 6
Nicknames: Tha, Thad, Thady

Playground Safety Score

✓ All Clear

Similar Names

Dag Shari Bismarck Walther

Full profile for Thadeus →

Popularity Comparison

Oliver Rank #3

Thadeus Rank #19,240

Oliver is more popular, ranked #3 vs #19240 for Thadeus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Oliver ___

Oliver James
Oliver Thomas
Oliver William
Oliver Henry
Oliver John
Oliver Benjamin

Thadeus ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

If you choose Thadeus

No sibling data available yet.

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 Oliver or Thadeus more popular?

Oliver is more popular, ranked #3 compared to Thadeus at #19240 in the United States.

What do Oliver and Thadeus mean?

Oliver means "olive tree" (Latin origin).

Are Oliver and Thadeus boy or girl names?

Oliver is primarily a boy name. Thadeus is primarily a boy name.

More Comparisons

Thadeus vs Oliver Oliver vs Parker Oliver vs Graham Oliver vs Mason Oliver vs Alexander

← Full profile: Oliver ← Full profile: Thadeus Browse all baby names