Caspian
Caspian was the 491st most popular name for boys in 2025, given to 614 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 1,056 places. More babies were named Caspian in the 2020s than in any other decade.
Meaning of the Caspian (Sea); from Narnia · Latin, Greek, English
Say it KAS-pee-un /ˈkæspiən/
- Rank in 2025
- #491 boys, up 269 places since 2020
- Babies in 2025
- 614boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 2025614 babies
- Total since 1880
- 4,175babies recorded
What does the name Caspian mean?
Caspian is an English adjective for the Caspian Sea region, which Wiktionary traces to Latin Caspius and Greek Kaspios plus the ending -an. Wiktionary describes Caspian as a boys' name of modern use, popularized by C. S. Lewis's Chronicles of Narnia, in which Caspian is a prince. Our sources do not give a meaning for the ancient name behind Caspius. US records show Caspian as a given name only from the late 1990s.
Caspius (Latin, “Caspian”)Κάσπιος (Ancient Greek, “Caspian”)
How sure is this? Probable. The literary source is clear; the ancient people-name behind it has no known meaning in our sources. Wiktionary only.
Related names: Casper, Cas.
See also: Latin names, names that mean water, names from places.
Sources for this meaning
- Wiktionary, entry 'Caspian' (English section), Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- US Social Security Administration, national baby-name data 1880-2025 (yob*.txt), team3 computation of first year recorded, US Social Security Administration (public domain)
Caspian popularity since 1880
A few girls are given the name too: 5 since 2023.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #491 | 614 |
| 2020 | #760 | 316 |
| 2010 | #3,135 | 36 |
| 2000 | #7,551 | 8 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Caspian, counting every spelling?
Caspian is the most common spelling of a name family that ranked #468 for boys in 2025 once every spelling is counted together, compared with #491 for Caspian on its own. Together these spellings went to 663 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Caspian | 614 | #491 | 2,251 |
| Kaspian | 49 | #2,663 | 201 |
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 Caspian?
614 of the 3,606,400 babies born in the US in 2025 were named Caspian (0.17 per 1,000 births). For a boy named Caspian 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 14 (of 430 pupils) would have a child named Caspian.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Caspian?
About 4,100 people born in the US named Caspian are alive today, with a median age of 5; half are between 2 and 8. That makes Caspian 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.
Caspian by state
How common Caspian was among boys born in each state in 2021–2025. It is notably more common than nationally in Oregon (3.2×), Washington (2.4×), Kansas (2.3×), Colorado (1.9×), Oklahoma (1.9×). It is least common, relative to the national rate, in New Jersey, Nevada, Arkansas.
Names with a similar history
These names rose and fell in step with Caspian: their share of US boys followed the most similar curve since 1880. If you like Caspian, they share its era and feel.
Middle names for Caspian · Sibling names for Caspian
Questions about the name Caspian
What does Caspian mean?
Caspian means “of the Caspian (Sea); from Narnia” (Latin, Greek, English origin). Certainty: probable.
How popular is the name Caspian?
Caspian was the 491st most popular name for boys in 2025, given to 614 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 1,056 places. More babies were named Caspian in the 2020s than in any other decade.
Is Caspian a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Caspian in the US.
Where is Caspian most popular?
In 2021–2025, Caspian was most common in Oregon (0.83 per 1,000 boys), followed by Washington and Kansas.