Castiel

Castiel - A very unique male name

Castiel appeared on the charts for the first time in 2010 on position #2428. In this article you'll learn the history of this name, statistics, see famous people named Castiel and more.
Are you having a baby or looking to learn more about the name Castiel? Our experts and editorial staff have gathered trends and insights for 30,000+ baby names over the last 100 years -- And on this page you will learn everything you ever wanted to know about the name Castiel. The baby boy name Castiel was given to 159 baby boys in 2025, ranking #1047 on the national boy baby name top chart.


With that position 1 in 9,222 baby boys were given this name - making this a very unique male name according to our Popularity Score algorithm. Castiel peaked in popularity 7 years ago in 2019 on position 729.

Famous with this name

How would you rate Castiel, 1-5?

Castiel is currently topping the charts in...

Did you know that popularity can vary a lot between states? Castiel is currently topping the baby name charts in New Mexico at position #374 - and is the least popular in New York at position #1,439.

Why care about state specific baby name charts? It could be that a name that is very popular on the national overall charts is less (or even more) popular where you live. So make sure you check out the state specific charts below and find out how popular or unique Castiel is where you live.

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Castiel origin and meaning

Modern — from television, adapted from Cassiel

Uncertain — Castiel was created for the TV series Supernatural (debuted 2008), adapted from Cassiel, a minor angel name in occult and Kabbalistic lists; Cassiel's own derivation is not securely documented

Castiel did not exist as a given name before the angel Castiel appeared on Supernatural in 2008 — US data begins in 2010, directly after the character's debut. The show's writers reshaped the older angel name Cassiel, and parents, largely fans, turned it into a real baby name that peaked in 2019.

Origin uncertain

Castiel is a 7 letter name with 2 syllables.

To see famous people named Castiel, pop culture references for the name Castiel and nicknames & variations - visit Nameberry or Wikipedia.

Similar to Castiel

We've found the following names that sound similar to Castiel, sorted by popularity.

Castulo / Chadley / Catello / Cedell /

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Name statistics

Most parents-to-be know if they want a popular or unique name, and with these charts and data tables you can easily get a better understanding of how popular or unique this name is.

With a quick glance you can easily tell if this name is increasing or declining in popularity - But note that its current popularity can actually differ a lot from state to state.

Chart position per year (visualized)

Chart position per state (visualized)

Chart position per year (table view)

Chart position per state (table view)

Even more about Castiel

These are some of the common questions you may want to have answered to know if this is the perfect name for your baby.

Is Castiel a common or unique name?

By analyzing the number of births and frequency of this name we've determined that it's currently a very unique male name.

What is the number of syllables for the name Castiel?

2 syllables. Why is this important? One of the things that makes a baby name sound good and have a nice rythm is the number of syllables - and especially the number of syllables along with the syllable count for your last name. A simple rule is to avoid having the same number of syllables in your first, middle and last name.

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Pronunciation

kas-tee-EL · /ˌkæstiˈɛl/
The site's table lists 2 syllables, but the character's name — and the name in use — is spoken with 3 (kas-tee-EL).

Around the world

No traditional forms in other languages — this name was created in America in our own time.

Spellings and nicknames

• Cassiel — The older angel name Castiel was adapted from; a separate rare entry.

Nicknames: Cas

Famous bearers

• Castiel — The angel in the TV series Supernatural, whose 2008 debut created the name's use (Fictional, 2008) Fictional

Style

Modern coinage

Why parents choose it

Castiel is a fan name in the truest sense: parents choose it because the character's loyalty and melancholy stayed with them. It remains rare and unmistakably tied to the show.

Worth knowing

• Fully owned by Supernatural — expect fans to assume fandom.
• It has no traditional meaning to offer; claims of one online are invented.