boy's name
Castiel
- Origin Hebrew
- Gender Boy
- Letters 7
- Popularity Uncommon
- Births on record 4,545
Castiel is a boy's name. In 2025 it was given to 224 babies in the United States. It is used consistently but remains uncommon.
- Castiel is a name of Hebrew origin.
- Peaked in 2019, when 337 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 14,801 babies in the United States is given this name.
- First appears in US birth records in 2009.
Castiel over time
Births per decade in the United States, 2000s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 2000s | 13 |
| 2010s | 2,270 |
| 2020s (to 2025) | 1,641 |
How popular is Castiel?
In 2025, Castiel was given to 224 babies in the United States. It is used consistently but remains uncommon.
Where Castiel is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Castiel
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Castiel also like
Names whose popularity has risen and fallen in step with Castiel over the last century — the same taste, a different name.
Sibling names for Castiel
Names from the same era that won't rhyme or share an initial with Castiel — the two things that make a sibling set grate.
Common questions about Castiel
How popular is the name Castiel?
In 2025, Castiel was given to 224 babies in the United States. It is used consistently but remains uncommon.
Is Castiel a girl's or a boy's name?
Castiel is given almost entirely to boys in birth records.
When was Castiel most popular?
Castiel peaked in 2019, when 337 babies were given the name. It has been rising over the past decade.
Is Castiel a good name?
That is not something records can settle, but they can tell you what you would be choosing. Castiel currently ranks #1,008 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.