Thaddeus is a boy name with a modern feel, drawn from real birth records. Below you'll find what Thaddeus means and where it comes from, plus how many babies have been named Thaddeus across the United States, UK, Ireland and New Zealand, how popular Thaddeus has been over the decades, and the year it peaked.
Thaddeus is a boy name of Aramaic origin meaning “heart, or courageous”. The name of one of the twelve apostles, of uncertain Aramaic origin.
| Country | Births on record |
|---|---|
| United States since 1880 | 26,089 births |
| England & Wales since 1996 | 172 births |
| Ireland since 1964 | 32 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Thaddeus per year, United States (1880 to 2025). United States peaked in 2016 (416/yr) · England & Wales peaked in 2017 (17/yr) · Ireland peaked in 1968 (4/yr).
Thaddeus is an uncommon baby name in the United States. It was most common in 2016, when it ranked #1,320 nationally (given to 425 babies that year).
Thadeus · Thadius · Theodus · Thadis · Thaddues · Thaddus · Thaddaeus · Thaddius
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