Thadeus
/TH-AE-D-IY-AH-S/
Courageous heart, the apostle who carried the gospel to the furthest reaches of the ancient world — Thaddeus is one of the least-known apostles, traditionally credited with evangelising Armenia, Syria, and Persia. In Ethiopian tradition he is honoured as one of the Twelve whose collective mission established the church that Ethiopia still maintains
See Thadeus scored for your familyMeaning & origin
Thadeus is a boy's name of Aramaic origin, traditionally used in Christian families. The name means "Courageous heart, the apostle who carried the gospel to the furthest reaches of the ancient world — Thaddeus is one of the least-known apostles, traditionally credited with evangelising Armenia, Syria, and Persia. In Ethiopian tradition he is honoured as one of the Twelve whose collective mission established the church that Ethiopia still maintains" and belongs to the Courage cluster — names for children who will grow into bold, fearless hearts.
Common among African, European families, Thadeus carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
Numerology of Thadeus
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Thadeus resonates in either tradition.
How Thadeus sounds
NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Thadeus breaks down into 6 phonemes: /TH-AE-D-IY-AH-S/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.
Nicknames
Common affectionate forms of Thadeus — useful for everyday family conversation, early childhood, or as standalone given names themselves.
The six signals, applied to Thadeus
NameRoot scores every name across six independent dimensions. Here's how Thadeus maps to each — install the app to see the full compatibility score for your specific family.
Names similar to Thadeus
If Thadeus resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in African families
Sharing the same meaning
Other Christian boy names from the Courage cluster
Names that sound similar
Christian boy names that open with the same syllables as Thadeus
Common questions about Thadeus
What does the name Thadeus mean?
Thadeus means "Courageous heart, the apostle who carried the gospel to the furthest reaches of the ancient world — Thaddeus is one of the least-known apostles, traditionally credited with evangelising Armenia, Syria, and Persia. In Ethiopian tradition he is honoured as one of the Twelve whose collective mission established the church that Ethiopia still maintains." It is a boy name of Aramaic origin, traditionally used in Christian families.
Is Thadeus a boy or girl name?
Thadeus is most commonly used as a boy name.
What is the origin of the name Thadeus?
Thadeus is of Aramaic origin, used in Christian tradition, commonly among African, European families.
What are common nicknames for Thadeus?
Common short forms of Thadeus include Thadi, Thad.
What is the numerology of Thadeus?
Thadeus has a Pythagorean destiny number of 6 — nurturing and family devotion.
See how Thadeus scores for your family
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