What does Thaddeus mean and where does it come from?
Thaddeus is predominantly a masculine name of Aramaic origin, derived from the name 'Thaddai', meaning 'heart' or 'heart of a lion'. Although it is traditionally male, it has gained some use as an unconventional feminine name in modern times. The name has historical significance, being borne by Thad
Cultural significance
Thaddeus has been a cherished name across cultures, particularly in Greece-speaking communities, where it reflects values of greek.
Peak popularity
Reached #798 in 2025 — currently #798 in the US.
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Related Reading
Greece-origin baby names with timeless appeal
Browse names →How else can you spell Thaddeus?
Same sound, different look — useful if you want something slightly more distinctive
What middle names flow best with Thaddeus?
Thaddeus works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Thaddeus Jack
One syllable · timeless choice
Thaddeus John
One syllable · timeless choice
Thaddeus Luke
One syllable · timeless choice
Thaddeus Miles
One syllable · vintage charm
Thaddeus Beau
One syllable · on the rise
Thaddeus Brooks
One syllable · timeless choice
How popular is Thaddeus right now?
Rising fast — up 55 spots — currently #798 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2025 | #798 | 314 | ▲ up 55 · +10% births |
| 2024 | #853 | 285 | ▲ up 45 · +10% births |
| 2023 | #898 | 259 | ▼ down 88 · -16% births |
| 2022 | #810 | 308 | ▲ up 7 · +4% births |
| 2021 | #817 | 295 | ▲ up 9893 · +5800% births |
| 1985 | #10710 | 5 | ▼ down 2669 |
| 1970 | #8041 | 5 | — |
The story of Thaddeus
Thaddeus entered American naming records in 1932 and has been in use for over 92 years. A total of 24,600 babies have received this name. The name has grown more popular over time, rising from #8041 in 1970 to #898 in 2023. Thaddeus is used for both genders: 0% female and 100% male.
Names that peaked alongside Thaddeus in 2025:
Thaddeus by decade
Thaddeus peaked in the 2020s. See all 2020s names →
| Decade | Births | |
|---|
| 1880s | 111 | |
| 1890s | 93 | |
| 1900s | 155 | |
| 1910s | 1,793 | |
| 1920s | 2,421 | |
| 1930s | 1,220 | |
| 1940s | 1,427 | |
| 1950s | 2,190 | |
| 1960s | 2,100 | |
| 1970s | 2,905 | |
| 1980s | 2,410 | |
| 1990s | 2,361 | |
| 2000s | 2,048 | |
| 2010s ★ | 3,074 | |
| 2020s | 891 | |
What are good nicknames for Thaddeus?
What names sound and feel like Thaddeus?
Based on sound, origin, and style — parents who love Thaddeus also consider these
How is Thaddeus written in other languages?
Common questions about the name Thaddeus
What does the name Thaddeus mean?
Thaddeus means "Greek" — a name rooted in Greece 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 Thaddeus?
Thaddeus is currently ranked #898 as a baby name in the US and is becoming rarer and more distinctive, making it a unique choice that stands out.
What is the cultural origin of Thaddeus?
Thaddeus originates from Greece tradition. Greece 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 Thaddeus?
Thaddeus is a three-syllable name pronounced THAD-ee-us. 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 Thaddeus?
Thaddeus pairs beautifully with sibling names that share a similar Greece heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.