Thaddis
Courageous heart — Associated with one of the apostles of Jesus Christ
American origin · Boy name
97% boys3% girls
#1736US 2023
464Births / yr
Stable
10All-time births
📅 Since 195400
How to pronounce Thaddis
THADD·IS
/ˈθædd.ˈɪs/ · stress on THADD · 2 syllables
Courageous heart
Associated with one of the apostles of Jesus Christ · American origin

What does Thaddis mean and where does it come from?

Thaddis is an alternative spelling of Thaddeus, which has Aramaic origins. The name Thaddeus is derived from the Aramaic name 'Taddai,' meaning 'courageous heart' or 'heart'. It is a biblical name and is associated with one of the apostles of Jesus Christ. The name is less common than its variants,

Cultural significance
Thaddis has been a cherished name across cultures, particularly in American-speaking communities, where it reflects values of courageous heart.
Peak popularity
Reached #4344 in 1954 — currently #1736 in the US.
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Related Reading
American-origin baby names with timeless appeal
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What middle names flow best with Thaddis?

Thaddis works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Thaddis Grace
Most popular combo · classic
Thaddis Rose
Floral · soft ending
Thaddis Mae
Sweet · timeless
Thaddis Claire
French influence · crisp
Thaddis Jane
Literary · strong
Thaddis Skye
Modern · airy feel
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Middle Names
The best middle names for Thaddis
Browse ideas →

How popular is Thaddis right now?

Holding steady — currently #1736 in the US out of 135.5k tracked names

US Trend 20212023#1736 · Top 1.3%
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1736464▲ up 5 · +5% births
2022#1741444▲ up 5 · +7% births
2021#1746414

The story of Thaddis

Thaddis entered American naming records in 1954 and has been in use for over 70 years. With 10 total births recorded, Thaddis remains relatively uncommon. The name has grown more popular over time, rising from #1746 in 2021 to #1736 in 2023.

Names that peaked alongside Thaddis in 1954:

💎Thaddis has only 10 total recorded births since 1954 — rarer than 99% of names in our database.

What are good nicknames for Thaddis?

Common
ThaThieThyAddis

Common questions about the name Thaddis

What does the name Thaddis mean?
Thaddis means "Courageous heart" — a name rooted in American tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Thaddis?
Thaddis is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Thaddis?
Thaddis originates from American tradition. American names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Thaddis?
Thaddis is a two-syllable name pronounced TH AE1 D D IH1 S. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Thaddis a common or rare name?
Thaddis is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.