Theia
Theia was the 1989th most popular name for girls in 2025, given to 97 babies. Its best year was 2019, when it ranked 1813th with 113 babies. Over the last ten years it has moved up 439 places. More babies were named Theia in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #1,989 girls, up 326 places since 2020
- Babies in 2025
- 97girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2019113 babies
- Total since 1880
- 1,217babies recorded
Theia popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #1,989 | 97 |
| 2020 | #2,315 | 77 |
| 2010 | #13,352 | 8 |
| 2000 | — | — |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Theia, counting every spelling?
Theia is the most common spelling of a name family that had 97 girls in 2025 across its spellings. Together these spellings went to 97 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Theia | 97 | #1,989 | 495 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Theia?
97 of the 3,606,400 babies born in the US in 2025 were named Theia (0.03 per 1,000 births). For a girl named Theia born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 86 (of 430 pupils) would have a child named Theia.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Theia?
About 1,200 people born in the US named Theia are alive today, with a median age of 7; half are between 3 and 10. That makes Theia a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Theia by state
How common Theia was among girls born in each state in 2021–2025. In 36 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Theia: their share of US girls followed the most similar curve since 1880. If you like Theia, they share its era and feel.
Questions about the name Theia
How popular is the name Theia?
Theia was the 1989th most popular name for girls in 2025, given to 97 babies. Its best year was 2019, when it ranked 1813th with 113 babies. Over the last ten years it has moved up 439 places. More babies were named Theia in the 2010s than in any other decade.
Is Theia a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Theia in the US.
Where is Theia most popular?
In 2021–2025, Theia was most common in Minnesota (0.16 per 1,000 girls), followed by Oregon and Michigan.