Theia
Girl name · #1987 in 2025 · Uniqueness 61/100
Theia is currently the #1987 girl name in the United States — 97 babies received it in 2025. A decade ago it stood at #2408, so the name has been rising over the past ten years. Roughly one in every 18,557 girls born in 2025 was named Theia.
Babies named Theia per year, 1880–2025. Source: SSA.
The 58-year story
Theia first appears in the Social Security records in 1967, when 6 girls received the name. Its peak came in 2019, when 113 girls were named Theia — good for #1802 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Theia against up to 5 other names.
Uniqueness: will there be another Theia in class?
Theia scores 61 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Theia is most common
Geography matters for names, and Theia is no exception. In 2025 the states with the most Theias were CA (8), FL (7), MN (6), MD (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Theia
Statistically, parents drawn to Theia tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kaleia, Aletheia, Laia, Junia, and Anabia.
KaleiaAletheiaLaiaJuniaAnabiaAleiaElliaAvia
Rank history (last 25 years)
| Year | Babies named Theia | Rank |
|---|---|---|
| 2025 | 97 | #1981 |
| 2024 | 110 | #1823 |
| 2023 | 98 | #2002 |
| 2022 | 91 | #2103 |
| 2021 | 99 | #1971 |
| 2020 | 77 | #2302 |
| 2019 | 113 | #1802 |
| 2018 | 109 | #1852 |
| 2017 | 112 | #1828 |
| 2016 | 98 | #2017 |
| 2015 | 76 | #2408 |
| 2014 | 42 | #3652 |
| 2013 | 18 | #6729 |
| 2012 | 14 | #8208 |
| 2011 | 17 | #7118 |
| 2010 | 8 | #12276 |
| 2009 | 9 | #11459 |
| 2008 | 6 | #15405 |
| 2007 | 6 | #15491 |
| 1989 | 6 | #10847 |
| 1973 | 5 | #8423 |
| 1967 | 6 | #6042 |
Frequently asked questions
Is Theia a popular girl name?
Theia ranked #1987 among girls in 2025 with 97 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2408.
When was the name Theia most popular?
Theia peaked in 2019, when 113 American girls received the name (ranked #1802 that year). Since 2019 the name has declined from that high.
How rare is the name Theia?
In 2025, roughly 1 in 18,557 newborn American girls was named Theia. It scores 61/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.