Data-driven popularity statistics, SSA rankings, and historical trends for the name Theo.
National Rank (2025)
#82
All-Time Peak Rank
#78 (2023)
Total U.S. Births
35,830
Unisex Distribution91.1% Boy / 8.9% GirlBalance: Overwhelmingly Male
💡 The Theo Vibe: This choice is considered a Rising Star. A high-velocity modern choice demonstrating rapid, sustained growth in recent registries.
📖 The Story Behind Theo
According to SSA data, Theo achieved its highest historical rank of #78 in 2023. Its highest annual registration volume occurred in 2023 with 4,140 babies. Between 2015 and 2025, modern registrations have increased by 415.7%. Overall, the name has maintained a ranked presence for 146 consecutive years.
📊 Factual Timeline & Current Trajectory (1880 – 2025)
Watch how the absolute registration footprint of the name Theo scaled historically over the last century:
5-Year Trajectory Velocity
Fast Rising
10-Year Decadal Shift Change
+415.7% Growth
18801920196020002025
📈 Popularity Milestones & Volatility
Busiest Year on Record4,140Births in 2023
Years in Top 100
4yrs
Registry Appearance Streak
146Years
Historical VolatilityHighly Volatile
Decade-by-Decade Registration Volumes
1880s:93
1890s:118
1900s:226
1910s:714
1920s:980
1930s:680
1940s:440
1950s:371
1960s:323
1970s:386
1980s:540
1990s:600
2000s:1,386
2010s:8,189
2020s:20,784
📐 Sound & Spelling Structure
Phonetic SyllablesTh-eo
Letter Count4 Letters
Spelling ComplexityEasy
Linguistic Profile Narrative: 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.
🛠️ Rhythm & Cadence Engine
Need a middle name or matching choice that pairs cleanly with Theo? Enter a surname or older sibling name below to test structural meter and syllable cohesion:
BabyNameAnalytics