The first name Thaddaeus
A boy’s name from Greek.
Pronounced /ˈθædiːəs/ 2 syllables Male
Meaning and origin
Greek origin
Borrowed from Latin Thaddaeus, from Ancient Greek Θαδδαῖος (Thaddaîos), from Aramaic תַדַּי (Ṯaday).
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
Thaddaeus last appeared in the official list in 2017, given to 3 boys.
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Thaddaeus with other names.
Popularity in the United States
Babies named Thaddaeus at birth, 1880–2025
In 2025, 10 boys born in the United States were named Thaddaeus, the 8,185th most popular boys’ name that year. It was used most in 2005, when 29 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Thaddaeus in other languages
Equivalent forms of the name, from Wiktionary
Nicknames and spellings
More Greek boys’ names
Questions
- What does the name Thaddaeus mean?
- Borrowed from Latin Thaddaeus, from Ancient Greek Θαδδαῖος (Thaddaîos), from Aramaic תַדַּי (Ṯaday).
- What is the origin of the name Thaddaeus?
- Borrowed from Latin Thaddaeus, from Ancient Greek Θαδδαῖος (Thaddaîos), from Aramaic תַדַּי (Ṯaday).
- How popular is the name Thaddaeus?
- In 2017, 3 boys born in England and Wales were named Thaddaeus, ranking 4,812th.
- What are nicknames for Thaddaeus?
- Common nicknames for Thaddaeus include Tad, Thad.
- Is Thaddaeus a boy's or a girl's name?
- Mostly a boy's name: 100% of the 1,045 US babies named Thaddaeus since 1880 were boys.
- When was Thaddaeus most popular?
- 2005 in the United States, when 29 babies were named Thaddaeus, its highest rank at 3,444th.
- How do you pronounce Thaddaeus?
- Thaddaeus is /ˈθædiːəs/, 2 syllables.
- What are other spellings of Thaddaeus?
- Thaddæus and Thaddeus.