Thaddaeus
תִּדְּאֵי (Tiddai), means 'courageous' or 'heart'.
Hebrew origin · Boy name
97% boys3% girls
#6181US 2023
15Births / yr
Rising
966All-time births
📅 Since 192400
How to pronounce Thaddaeus
THADD·AY·UHS
/ˈθædd.ˈeɪ.ˈəs/ · stress on THADD · 4 syllables
תִּדְּאֵי (Tiddai), means 'courageous' or 'heart'.
Hebrew origin · Boy name

What does Thaddaeus mean and where does it come from?

Thaddaeus is of Hebrew origin and appears in the Christian New Testament as one of the apostles of Jesus. The name has a strong historical significance dating back to biblical times. Variations include Thaddeus and Tadeusz, with some modern forms being used in Italian and other languages. Notable fi

Cultural significance
Thaddaeus has been a cherished name across cultures, particularly in Hebrew-speaking communities, where it reflects values of תִּדְּאֵי (tiddai), means 'courageous' or 'heart'..
Peak popularity
Reached #2250 in 1978 — currently #6181 in the US.
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Related Reading
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What middle names flow best with Thaddaeus?

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

Thaddaeus Grace
Most popular combo · classic
Thaddaeus Rose
Floral · soft ending
Thaddaeus Mae
Sweet · timeless
Thaddaeus Claire
French influence · crisp
Thaddaeus Jane
Literary · strong
Thaddaeus Skye
Modern · airy feel
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Middle Names
The best middle names for Thaddaeus
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How popular is Thaddaeus right now?

Rising fast — up 1028 spots — currently #6181 in the US out of 135.5k tracked names

US Trend 19702023#6181 · Top 4.6%
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#618115▲ up 1028 · +25% births
2022#720912▼ down 2601 · -45% births
2021#460822▼ down 79 · +5% births
2020#452921▲ up 1015 · +31% births
2015#554416▼ down 835 · -20% births
2010#470920▼ down 1309 · -31% births
2005#340029▲ up 266 · +32% births
2000#366622▼ down 192 · +16% births
1995#347419▲ up 42 · +12% births
1990#351617▼ down 1264 · -29% births
1985#225224▲ up 323 · +26% births
1980#257519▲ up 405 · +46% births
1975#298013▲ up 423 · +44% births
1970#34039

The story of Thaddaeus

Thaddaeus entered American naming records in 1924 and has been in use for over 100 years. With 966 total births recorded, Thaddaeus remains relatively uncommon. Once ranked #3403 in 1970, the name has become less common in recent years, sitting at #6181 in 2023.

Names that peaked alongside Thaddaeus in 1978:

Thaddaeus by decade

DecadeBirths
1920s6
1940s6
1960s7
1970s126
1980s176
1990s200
2000s224
2010s200
2020s21
💎Thaddaeus has only 966 total recorded births since 1924 — rarer than 99% of names in our database.

What are good nicknames for Thaddaeus?

ENGLISH
TadThad

Famous people named Thaddaeus

T(
Thaddaeus (historical community leader)
Thaddaeus led communities across the ancient Near East who passed this name through generations.
T(
Thaddaeus (historical figure)
Thaddaeus bore this name in the Biblical tradition, reflecting its deep roots in Hebrew scripture and culture.
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How is Thaddaeus written in other languages?

Θαδδαιος
Ancient Greek

Common questions about the name Thaddaeus

What does the name Thaddaeus mean?
Thaddaeus means "תִּדְּאֵי (Tiddai), means 'courageous' or 'heart'." — a name rooted in Hebrew 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 Thaddaeus?
Thaddaeus is currently a distinctive and less common name as a boy name in the US and is rapidly gaining popularity — searches for Thaddaeus have increased significantly in recent years.
What is the cultural origin of Thaddaeus?
Thaddaeus originates from Hebrew tradition. Hebrew 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 Thaddaeus?
Thaddaeus is a four-syllable name pronounced TH AE1 D D EY1 AH1 S. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
What sibling names go well with Thaddaeus?
Thaddaeus pairs beautifully with sibling names that share a similar Hebrew heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.