Name Awesome

Castiel

#1,009 in 2025Boys' name

Variant of Cassiel

Castiel has been given to 3,924 babies in the U.S. since 2009. In 2025 it ranked #1,009 of 13,926 boys’ names in use. Its peak year was 2019, with 337 recorded.

Babies named Castiel, 2025

1 in 14,800

Castiel over time, 1880–2025

BoysGirls
010020030040018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Castiel: meaning, origin, and history

Variant of Cassiel

Deeper origin not confirmed in the cited records

What Castiel means

Castiel is a variant of Cassiel.

Meaning behind the documented name family

The name developed through Castiel → Cassiel. The family’s proposed meaning is “leap of God”, recorded in the naming reference for Cassiel.

Origin, language, and formation

Castiel is used in English.

Related names and everyday forms

Related names include Cassiel.

American usage and historical context

In the United States, 3,891 boys were recorded with the name Castiel between 2009 and 2025. Its highest annual count was 337 in 2019; its best national rank was #723 in 2019.

Over 5 years its rank fell, from #887 in 2020 to #1,009 in 2025. Over 10 years its rank fell, from #821 in 2015 to #1,009 in 2025.

In the United States, 33 girls were recorded with the name Castiel between 2013 and 2020. Its highest annual count was 7 in 2016; its best national rank was #13,175 in 2016.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Castiel?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 14,800
224 of 3,315,165 births
Among boys only
1 in 7,620
0.01% of boys
Rank, 2025
#1,009
of 13,926 boys’ names in use
Coin-flip room size
10,260 kids
Even odds of a second one

Where Castiel sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5003%

Put another way: gather 10,260 children born in 2025 and it's an even bet that one of them is another Castiel. In a class of 30 the chance is Under 1%.

When Castiels were born

Half of everyone ever recorded as Castiel was born before 2019 — so the typical Castiel is around 6 today.

Median birth year
2019
About 6 years old
Biggest decade
2010s
57.6% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
3,891
People you could plausibly meet
Choose a decade

2010s — 57.6% of all recorded uses (2,242).

Is Castiel rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−192
Places dropped
Rank vs 5 years ago
−122
Places dropped
Rank vs 10 years ago
−188
Places dropped
Births vs 10 years ago
0.81×
Fewer babies than then
Share of its own peak
66.5%
Peak was 2019 (337)
Years since peak
6
Years
Year-to-year steadiness
Volatile
39.8% average annual change
Best rank ever
#723
2019

Spellings of Castiel

Castiel is the most-used spelling, taking 31.1% of the 12,492 babies given a near-identical spelling.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Castiel is used

Across 2016–2025, Castiel was most concentrated in New Mexico — about 1 in 2,857 boys, against 1 in 6,172 across all states with data. It was least common in South Carolina (1 in 50,000).

235 per 100,000

Most concentrated

  1. 1New Mexico1 in 2,857
  2. 2Arizona1 in 3,125
  3. 3Nevada1 in 3,846
  4. 4Michigan1 in 4,545
  5. 5Texas1 in 4,545
  6. 6Washington1 in 4,545
  7. 7Indiana1 in 4,762
  8. 8Florida1 in 5,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Geographically, Castiel is somewhat regional — more concentrated than 48% of the names used widely enough to compare. See the most regional names

Castiel around the world

Where Castiel ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2009–2025
    #2,133
    in 2025
  • France
    2013–2025
    #1,722
    in 2025
  • Canada
    2010–2024
    #1,232
    in 2024
  • South Australia
    2011–2011
    #784
    in 2011

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Castiel by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#1,009
Trend vs 5 yrs ago
Down 122
Best rank ever
#723
2019
Peak year
2019
337 that year
First recorded
2009
Last recorded
2025
All-time count
3,891
Count in 2025
224

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#13,175
2016
Peak year
2016
7 that year
First recorded
2013
Last recorded
2020
All-time count
33
Count in 2025
Under 5

Names similar to Castiel

Matched on shared beginnings and endings, similar length, and comparable popularity.

CassielCassidyCaspianCassianCashtonCasimirCassiusCasperDannielGavrielYechielCasimerCasimiroAzrielCasenYadielZabdielCashiusEsequielJasielJadielJahzielGadielCaswell

Names with a curve like Castiel

Not spelling — timing. These names rose, peaked and faded in the same years as Castiel, so they read as being from the same moment even when they look nothing alike.

DashJaxxAxlLochlanAxtonHenrikKaceWessonDeckerJaxxonFinnleyHarlem

Sibling names for Castiel

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Castiel

Top names of 2019, Castiel's peak yearThe 2010s in fullOther names that peaked in 2019Boys' names starting with CAngel Names