Boy Name · Aramaic Origin
Thaddeus
Last reviewed: June 2026
Looking at Thaddeus? On Baby Name Studio it appears in our Rare popularity tier and carries the meaning "Heart", drawn from Aramaic naming roots. Common sibling-shortlist neighbor: Thadeus.
Names like Thaddeus
- Thadeus — meaning, origin and popularity
- Thaddaeus — meaning, origin and popularity
- Titus — meaning, origin and popularity
- Theodis — meaning, origin and popularity
- Theotis — meaning, origin and popularity
- Theodosia — meaning, origin and popularity
- Tadashi — meaning, origin and popularity
- Theophilus — meaning, origin and popularity
Explore related collections
Frequently asked about Thaddeus
What does the name Thaddeus mean?
Thaddeus means "Heart" and is of Aramaic origin.
What is the origin of Thaddeus?
Thaddeus originates in Aramaic naming tradition. Names of Aramaic origin often share recognizable sounds and cultural roots that shape how the name reads today.
How do you pronounce Thaddeus?
Thaddeus has 8 letters and is most commonly stressed on the first syllable. Tap the pronunciation player on this page to hear it spoken aloud.
Is Thaddeus a boy's or girl's name?
Thaddeus is primarily used as a boy's name in US records, though usage can vary by region and era.
How popular is Thaddeus in 2026?
In our 2026 popularity tracker, Thaddeus sits in the Rare tier — an uncommon, standout choice.
What names are similar to Thaddeus?
Names that share Thaddeus's sound and style include Thadeus, Thaddaeus, Titus, Theodis, Theotis. Open the "Names like Thaddeus" rail on this page for the full list.