According to SSA data, Thea achieved its highest historical rank of #268 in 2017. Its highest annual registration volume occurred in 2018 with 1,209 babies. Between 2015 and 2025, modern registrations have increased by 26.0%. Overall, the name has maintained a ranked presence for 122 consecutive years.
π Factual Timeline & Current Trajectory (1880 β 2025)
Registration footprint of Thea across 145 years of SSA data.
5-Year Trajectory
Declining
10-Year Shift
+26.0% Growth
18801920196020002025
π Popularity Milestones & Volatility
Busiest Year on Record1,209births in 2018
Years in Top 1000 yrs
Years in Top 50011 yrs
Registry Streak122 yrs
Historical VolatilityHighly Volatile
Largest 1-Year JumpN/A
Decade-by-Decade Registration Volumes
1880s: 86
1890s: 105
1900s: 87
1910s: 157
1920s: 254
1930s: 207
1940s: 431
1950s: 1,027
1960s: 1,099
1970s: 1,008
1980s: 1,022
1990s: 952
2000s: 1,362
2010s: 6,408
2020s: 5,908
π Sound & Spelling Structure
Phonetic SyllablesTh-ea
Letter Count4 letters
Spelling ComplexityEasy
Length Percentile
Longer than 1.4% of names
Linguistic Profile: It is an isogram, meaning no two letters are repeated. Longer than 1.4% of SSA names. Starts with T, a letter used by only 6.1% of SSA names.
π οΈ Sibling & Surname Cadence Tool
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π Authentic State & Regional Rankings
Highest Ranking State
Utah
Top States
Utah, Idaho, Minnesota, North Dakota, South Dakota