Boy or Girl

Is Castiel a boy or girl name?

Castiel is a boy name in the US. In 2024, 0 girls and 306 boys were named Castiel, so 0% were girls. Across 1880–2024, 0.9% of the 3,693 US babies named Castiel were girls.

Boy rank, 2024
#816
Girl rank, 2024
Not ranked
Babies named Castiel since 2009
3,693
Most popular year
2019
336 babies
Babies named Castiel each year in the US
Line chart of US births named Castiel from 2009 to 2024, boys and girls. The table below has every value.01002003004002020

Boys and girls named Castiel, by decade

DecadeBoysGirlsShare girls
2000s1300%
2010s2,239281.2%
2020s1,40850.4%
Every year
YearBoysBoy rankGirlsGirl rank
2024306#8160–
2023248#9260–
2022300#8260–
2021299#8110–
2020255#8865#15,584
2019336#7240–
2018309#7616#14,137
2017286#7980–
2016315#7697#13,175
2015276#8215#16,975
2014253#8695#17,085
2013210#9495#17,062
2012123#1,3690–
201184#1,7390–
201047#2,5900–
200913#6,4890–

Highest rank

As a boy name, Castiel reached #724 in 2019. As a girl name, it reached #13,175 in 2016. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.

Names from the same era

These names were also most popular in the 2010s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.

Compare Castiel with another nameTry Castiel with your surnameTop names of 2019More names starting with C

Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.