Baby Names US
Unisex name ★ peaked 2025

Cassiel

Gender Unisex · 13% girls Rank 2025 #2,488 Trend ↑ Rising 18%
Rank 2025
#2,488
among boys · ↑1,222 vs 2024
Babies in 2025
54
named Cassiel · +80% vs 2024
How common
1 in 31,631
boys born in 2025
Peak year
2025
54 babies
All-time total
543
#8,152 all-time among boys
First recorded
1999
in Social Security records

Cassiel popularity over time

543 babies have been named Cassiel since 1999, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.010.020.030.0418801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s 5 – 5 1 – –
2000s 5 5 10 1 +100% #12,787
2010s 45 254 299 30 +2890% #2,759
2020s (to 2025) 14 215 229 38 +28% #2,488

Where Cassiel is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 55 0.03 outside top 500
2027 57 0.03 outside top 500
2028 58 0.03 outside top 500
2029 59 0.03 outside top 500
2030 59 0.03 outside top 500

The story of Cassiel

Cassiel is rare for boys in the United States, ranked #2,488 in 2025 with 54 babies given the name. It is currently rising compared with a decade ago.

Since 1999, 543 American babies have been named Cassiel, about 87% boys and 13% girls, making it a genuinely unisex name. Its peak came in 2025, when 54 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Cassiel stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Cassiel?

The median living Cassiel is about 7 years old; half are between 3 and 9. An estimated 500 people named Cassiel are alive in the United States today.

median 7 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Cassiel year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 – – 54 #2,488
2024 – – 30 #3,710
2023 – – 28 #3,906
2022 – – 46 #2,799
2021 7 #12,470 34 #3,371
2020 7 #12,403 23 #4,299
2019 5 #16,012 33 #3,433
2018 6 #14,141 44 #2,759
2017 10 #10,115 39 #3,017
2016 7 #13,178 39 #3,008
2015 6 #14,873 25 #4,095
2014 5 #17,084 22 #4,413
2013 – – 18 #5,007
2012 – – 15 #5,757
2011 6 #15,213 8 #8,888
2010 – – 11 #7,152
2009 – – 5 #12,787
2008 – – – –
2007 – – – –
2006 – – – –
2005 – – – –
2004 – – – –
2003 – – – –
2002 – – – –
2001 5 #15,797 – –
2000 – – – –
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Cassiel, drawn from the same Social Security data as the charts above.

How old is the average Cassiel?

The median living Cassiel is about 7 years old. Half of all living Cassiels are between 3 and 9 years old.

How many people named Cassiel are alive today?

An estimated 500 people named Cassiel are alive in the United States, based on 543 recorded births and Social Security life tables.

How popular is the name Cassiel in 2025?

Cassiel ranked #2,488 among boys' names in the United States in 2025, with 54 babies given the name, according to Social Security Administration data.

How many people are named Cassiel?

543 babies have been named Cassiel in the United States since 1999, based on Social Security card applications.

When was the name Cassiel most popular?

Cassiel peaked in 2025, when 54 newborns received the name.

Is Cassiel a boy or girl name?

Cassiel is used for both: about 13% of babies named Cassiel have been girls and 87% boys.

Is the name Cassiel rising or falling?

Cassiel is on the rise, noticeably more popular now than a decade ago.

Will Cassiel become more popular?

Cassiel is trending upward. If the recent trend holds, we project roughly 59 boys named Cassiel in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Cassiel

Names that sound and feel close to Cassiel: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Cassiel with similar names → More names starting with C →