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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Thadius — Meaning, Origin & Popularity | Namesake
All names
Thadeus|Thai
GreekBoy→ Stable

Thadius

THAY-dee-us · 3 syllables

Share Thadius:
Compare with another name
Boy
#10760
→ Stable
#10760
in the US · 2024
Popularity score: 6
Peak rank
#10760 in 2024
5yr change
—
Birth frequency
1.9 per 1,000,000 births
Sex split
100% boy · 0% girl

Popularity Over Time

↑ Higher on this chart = more popular · ↓ Lower = less popular

Average0255075100Popularity score (0–100)20202024

Rank #10760 · Rising since 2020

How Popular Is This Name?

Bars show the range of popularity for each group. The dot shows where this name sits. Further right = more popular.

All US boy names
Top 200 boy names
Greek boy names
Thadius

Popularity score: 6  ·  SSA Rank: #10760

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

Popularity score: 0 = least popular, 100 = most popular. Based on SSA rank.

Namesake Score
62
Higher than 62% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
→ Stable
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
23 per 10,000 births
Won't be common in class

Thadius scores well on meaning depth but there are tradeoffs — domain availability is limited.

Meaning Depth37% of score
60
Name Trend28% of score
60
Uniqueness20% of score
55
Feasibility15% of score
50

Scores are percentile-ranked across 43,000+ names.

Name DNA
ClassicReligiousApostolicGreek-LatinBoy3-syllableTraditionalRareBiblicalStrong
Character
bold leadershipsteadfast integrityquiet strengththoughtful wisdom
People with this name

Qualities shared by notable Thadiuss

faithfuldevotedmissionarycourageousresolute
STRONG
High confidence

Thadius is a Greek boy name with steady SSA rankings. It ranked #10760 in the US in 2024.

Trend:→ Stable
Feasibility:.com taken · — · clear
Popularity:#10760 · very rare
Thadius at a Glance
Meaning:From Aramaic 'Thaddai' meaning 'heart' or 'courageous heart'. Associated with Saint Thaddeus, one of the twelve apostles.
Language root:Greek · Latin · Aramaic
Peak rank:#10760 in 2024
5yr change:—
Sex usage:100% boy · 0% girl
Notable bearers

No notable bearers on record.

Similar Sound
ThaddeusTheodoreTheronMatthiasThales
Similar Style
MatthiasJuliusMarcusSebastianCornelius
Works well with
JamesAndrewSimonPhilipSolomonNathaniel
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Thomas
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Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Thadius · Overview
Summary

Thadius is a Greek boy name with steady SSA rankings. It ranked #10760 in the US in 2024.

Strengths
Strong fundamentals
Thadius scores 62/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Classic · Religious character
Thadius carries a bold, serious quality that makes it distinctive without being invented.
Considerations
Domain taken
thadius.com is not available. Alternative TLDs may work.
Explore

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Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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