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Kastiel

Gender
Boy
Say it
KAS-tee-el
Origin
Hebrew
US rank, 2025
#6,140 for boys

Kastiel is a boys' name of Hebrew origin. In 2025 it ranked 6,140th for boys in the US (14 babies).

What does Kastiel mean?

Hebrew: spelling of Castiel, itself a 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.

Meaning borrowed from Castiel. More on Wiktionary.

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

Kastiel is a boys' name. In 2025, it was given to 14 boys in the US. Too few girls were given it to be listed.

How popular is Kastiel in the US?

Rank in 2025
6,140th among boys
Babies in 2025
14 about 1 in 120,000 boys
Five-year trend
Steady down 16% in five years
Same name in a class
under 1% chance among 15 boys

In 2025, 14 boys in the US were named Kastiel, making it the 6,140th most popular name for boys. Five years earlier, in 2020, it was 6,616th. Its busiest year was 2021, with 29 boys. It first appears in the records in 2012.

Half of all the boys named Kastiel in the US since 1880 were born between 2016 and 2022, the years shaded on the chart below.

In 2025, 238 boys in the US were given Kastiel or a name that sounds the same. With every name's spellings counted this way, that ranks #895, up from #6,140 for this spelling alone.

2012Busiest: 29 in 20212025
Kastiel in the US, year by year
YearBoysRank
202514#6,140
202413#6,464
202315#5,922
202216#5,629
202129#3,736
202012#6,616
201920#4,802
201818#5,102
201712#6,681
201622#4,469
201516#5,503
201414#5,993
201311#7,021
20125#12,267

Nicknames for Kastiel

Names like Kastiel

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

Other spellings of Kastiel

More Hebrew names

Every Hebrew name

Sources

Figures from 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, “Kastiel: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kastiel, updated 20 October 2026.