Given name
Thaddea
“of the heart; courageous”·“having heart”
Thaddea is a feminine form of Thaddeus. One Aramaic interpretation is “having heart.” Its derivation is not certain.
Meaning & origin
What it means
In Greek use, Thaddea carries the interpretation “of the heart; courageous.” Thaddea is a feminine form of Thaddeus. One Aramaic interpretation is “having heart.” Its derivation is not certain.
Combines direct and name-family evidence
Where it comes from
An origin associated with this spelling is Greek.
How it developed
Thaddea is used as a feminine counterpart of Thaddeus.
The story
Published U.S. birth records include this spelling as early as 1949. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Thaddea through the years
- Babies since 1880
- 5
- 0 boys · 5 girls
- Most popular year
- 1949
- 5 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for girls is 5 in 1949. Later missing counts do not mean the name went unused.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Thaddea’s family of names
Thaddea is a feminine form of Thaddeus. Thaddea has a related form in Taddea. Thaddea has a related form in Thada.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 16
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
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