Nameling

Castiel

Gender
Boy
Say it
KAS-tee-el
Origin
Hebrew
UK rank, 2025
#2,202 for boys
US rank, 2025
#1,008 for boys

Castiel is a boys' name of Hebrew origin. In 2025 it ranked 2,202nd for boys in the UK (11 babies) and 1,008th for boys in the US (224 babies).

What does Castiel mean?

Hebrew: variant of Cassiel, an angel name of Jewish and Christian lore

Popularised by Castiel, the angel in the TV series Supernatural; it echoes Cassiel, an angel of medieval angelology.

More on Wiktionary.

Is Castiel a girl's or a boy's name?

Castiel is a boys' name. In 2025, it was given to 11 boys in the UK and 224 boys in the US. Too few girls were given it to be listed.

How popular is Castiel in the UK?

Rank in 2025
#2,202among boys
Babies in 2025
11about 1 in 27,000 boys
Five-year trend
Steadyup 8% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 11 boys in the UK were named Castiel, making it the 2,202nd most popular name for boys. Five years earlier, in 2020, it was 2,562nd. Its busiest year was 2014, with 22 boys.

Half of all the boys named Castiel in the UK since 1996 were born between 2014 and 2021, the years shaded on the chart below.

Among boys in 2025, it was 2,130th in England and Wales.

2009Busiest: 22 in 20142025
Castiel in the UK, year by year
YearBoysRank
202511#2,202
202411#2,149
202317#1,571
202214#1,789
202116#1,619
20208#2,562
201920#1,351
20188#2,576
201720#1,374
201619#1,458
201520#1,367
201422#1,260
201314#1,715
201218#1,478
201115#1,619
201011#2,013
20093#4,691

How popular is Castiel in the US?

Rank in 2025
#1,008among boys
Babies in 2025
224about 1 in 7,600 boys
Five-year trend
Steadydown 14% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 224 boys in the US were named Castiel, making it the 1,008th most popular name for boys. Five years earlier, in 2020, it was 886th. Its busiest year was 2019, with 337 boys. It first appears in the records in 2009.

2025 had fewer boys named Castiel than any year since 2013.

Half of all the boys named Castiel in the US since 1880 were born between 2015 and 2022, the years shaded on the chart below.

In 2025, 238 boys in the US were given Castiel or a name that sounds the same. With every name's spellings counted this way, that ranks #895, up from #1,008 for this spelling alone.

2009Busiest: 337 in 20192025
Castiel in the US, year by year
YearBoysRank
2025224#1,008
2024306#817
2023249#926
2022301#824
2021301#809
2020255#886
2019337#723
2018309#761
2017286#798
2016315#769
2015276#821
2014255#864
2013210#948
2012123#1,367
201184#1,737
201047#2,578
200913#6,432

Nicknames for Castiel

Names like Castiel

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Castiel

Names related to Castiel

More Hebrew names

Every Hebrew name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Castiel: name meaning, origin and popularity”, https://www.nameling.co.uk/names/castiel, updated 20 October 2026.