Girl · #5,244 in 2026

Thaddea

Current Rank
#5,244
Peak Rank
#5,244 (1949)
Total Babies
5
5-Yr Trend
Stable
1949
First Year
1949
Last Year
1949
Peak Year
#5244
Peak Rank
5
Total Count
1
Years Active

The Story of Thaddea

Thaddea first appeared in U.S. Social Security Administration records as a baby girl name in 1949, with 5 babies given the name that year. Its peak popularity came in 1949, when 5 Thaddeas were born — ranking #5,244 that year. As of 2026, Thaddea ranks #5,244 for baby girls with 5 births, with steady use. In total, more than 5 Thaddeas have been born in the U.S. since records began in 1880, spanning the 1940s through the 2020s.

Popularity Over Time

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Thaddea

Phonetically similar names — useful when Thaddea is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Thaddea

What does the name Thaddea mean?
Thaddea is a girl's name that has been used in U.S. records since 1949. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.
How popular is Thaddea in 2026?
In 2026, Thaddea ranks #5,244 among girls' names in the U.S., with 5 babies given the name that year.
When was Thaddea most popular?
Thaddea reached its peak popularity in 1949, ranking #5,244 that year with 5 babies given the name.
Is Thaddea a unisex name?
In U.S. Social Security records, Thaddea is primarily a girl's name. We don't have meaningful data for it as a boy's name.
What names go well with Thaddea?
Names that share a similar style or popularity range with Thaddea include Barnie, Berinda, Bernia. These pairings are based on rank proximity and naming era in U.S. data.

Similar Names

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Barnie
Peak #5244
👧
Berinda
Peak #5244
👧
Bernia
Peak #5244
👧
Blendia
Peak #5244
👧
Brooksey
Peak #5244
👧
Cheryla
Peak #5244
👧
Conne
Peak #5244
👧
Corraine
Peak #5244

About the name Thaddea

Thaddea is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1949 and has accumulated 5 births in the dataset. Thaddea's peak popularity came in 1949 when it ranked #5,244. Use the chart and map above to compare Thaddea's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.