Baby Names US
Unisex name ★ peaked 2022

Sion

Gender Unisex · 10% girls Rank 2025 #2,981 Trend ↑ Rising 26%
Rank 2025
#2,981
among boys · ↑698 vs 2024
Babies in 2025
42
named Sion · +17% vs 2024
How common
1 in 40,668
boys born in 2025
Peak year
2022
48 babies
All-time total
883
#5,914 all-time among boys
First recorded
1912
in Social Security records

Sion popularity over time

883 babies have been named Sion since 1912, 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
0.010.020.020.0318801900192019401960198020002020BoysGirls
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 – 5 5 1 – #2,860
1920s – 10 10 1 +100% #4,653
1930s – – – – – –
1940s – 5 5 1 – #3,957
1950s – – – – – –
1960s – – – – – –
1970s – 41 41 4 – #4,258
1980s – 24 24 2 -41% #5,441
1990s 7 56 63 6 +163% #4,755
2000s 54 187 241 24 +283% #3,496
2010s 14 241 255 26 +6% #3,139
2020s (to 2025) 10 229 239 40 +56% #2,942

Where Sion 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 44 0.03 outside top 500
2027 46 0.03 outside top 500
2028 48 0.03 outside top 500
2029 50 0.03 outside top 500
2030 51 0.03 outside top 500

The story of Sion

Sion is rare for boys in the United States, ranked #2,981 in 2025 with 42 babies given the name. It is currently rising compared with a decade ago.

Since 1912, 883 American babies have been named Sion, about 90% boys and 10% girls, making it a genuinely unisex name. Its peak came in 2022, when 48 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 Sion stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Sion?

The median living Sion is about 13 years old; half are between 5 and 22. An estimated 900 people named Sion are alive in the United States today.

median 13 020406080100

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

Sion 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 – – 42 #2,981
2024 5 #17,352 31 #3,679
2023 – – 43 #2,942
2022 5 #17,423 43 #2,954
2021 – – 33 #3,486
2020 – – 37 #3,123
2019 – – 38 #3,139
2018 – – 21 #4,718
2017 8 #12,585 18 #5,270
2016 6 #15,984 18 #5,284
2015 – – 22 #4,529
2014 – – 25 #4,114
2013 – – 20 #4,773
2012 – – 30 #3,614
2011 – – 27 #3,876
2010 – – 22 #4,502
2009 – – 23 #4,414
2008 12 #9,998 15 #6,021
2007 5 #20,140 16 #5,638
2006 5 #19,659 18 #5,042
2005 – – 15 #5,538
2004 9 #11,489 17 #4,974
2003 6 #15,503 15 #5,231
2002 7 #13,426 23 #3,767
2001 – – 25 #3,496
2000 10 #9,784 20 #4,041
1995 – – 5 #10,109
1990 – – – –
1985 – – 5 #7,437
1980 – – 7 #5,441
1975 – – 8 #4,258
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Sion

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Sion Sono Sion Sono Japanese filmmaker, author, and poet (born 1961) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Sion?

The median living Sion is about 13 years old. Half of all living Sions are between 5 and 22 years old.

How many people named Sion are alive today?

An estimated 900 people named Sion are alive in the United States, based on 883 recorded births and Social Security life tables.

How popular is the name Sion in 2025?

Sion ranked #2,981 among boys' names in the United States in 2025, with 42 babies given the name, according to Social Security Administration data.

How many people are named Sion?

883 babies have been named Sion in the United States since 1912, based on Social Security card applications.

When was the name Sion most popular?

Sion peaked in 2022, when 48 newborns received the name.

Is Sion a boy or girl name?

Sion is used for both: about 10% of babies named Sion have been girls and 90% boys.

Is the name Sion rising or falling?

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

Will Sion become more popular?

Sion is trending upward. If the recent trend holds, we project roughly 51 boys named Sion in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Sion?

Well-known people named Sion include Sion Sono (film director).

Names like Sion

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

Compare Sion with similar names → More names starting with S →