| Meaning | gift of God, courageous heart |
| Origin | Greek |
| Gender | Boy |
| Popularity | Moderate |
| Length | 8 |
| Syllables | 3 |
| Syllabification | Thad-de-us |
Distinguished and decidedly uncommon, Thaddeus carries scholarly gravitas with unexpected warmth. This name has substance, the kind that suggests depth of character and intellectual curiosity. The three-syllable structure provides stately rhythm while the "eus" ending adds classical elegance. Thaddeus stands apart from current trends, appealing to parents who value timeless quality over temporary popularity. It's a name that grows increasingly impressive with age, suiting a child while commanding respect in adulthood. The nickname possibilities offer flexibility without diminishing the full name's impact. Thaddeus represents thoughtful naming choice, one made with consideration and care.
| Thad |
| Teddy |
| Tad |
| Thaddeus Stevens | American politician |
| Thaddeus Young | American basketball player |
| Thaddeus McCotter | American politician |
| Thaddeus Bullard | professional wrestler, known as Titus O'Neil |
| Thaddeus Moss | American football player |
| Thaddeus Sholto | character in Sir Arthur Conan Doyle's "The Sign of Four" |
| Thaddeus J. "Rusty" Venture | character in the animated series "The Venture Bros" |
| Thaddeus "Tad" Strange | character in the animated series "Gravity Falls" |
| Thaddeus Thatch | character in the film "Atlantis - The Lost Empire" |
| Thaddeus Valentine | character in the novel "Mortal Engines" by Philip Reeve |