Unisex name · peaked 2002

Sian

An anglicization of Welsh Siân, ultimately from Latin Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the…

Every Sian since 1962 — 1,030 of them. Popularity, births, and rankings for each year, from official Social Security records.

Measure
Births per 1,000 babies of that sex — comparable across eras
0.010.010.020.0218801900192019401960198020002020BoysGirls
GirlsBoys
Rank 2025
#16,925
among girls
Babies in 2025
31
named Sian
Peak year
2002
36 babies
All-time total
1,030
since 1962

The story of Sian

Sian is rare for girls in the United States, ranked #16,925 in 2025 with 5 babies given the name. It is currently declining compared with a decade ago.

Since 1962, 1,030 American babies have been named Sian — about 83% girls and 17% boys, making it a genuinely unisex name. Its peak came in 2002, when 36 newborns received the name — the signature sound of the 2000s.

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 Sian stood among all girls' names in any year, or use the compare tool to plot it against other names.

Sian 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 5 #16,925 26 #4,123
2024 8 #12,008 9 #8,883
2023 6 #14,931 13 #6,843
2022 12 #8,977 11 #7,687
2021 7 #13,288 14 #6,298
2020 15 #7,522 12 #6,983
2019 13 #8,540 8 #9,616
2018 8 #12,330 8 #9,536
2017 12 #9,273 7 #10,602
2016 11 #10,020 9 #8,705
2015 12 #9,413
2014 11 #10,061 5 #13,763
2013 11 #10,154
2012 7 #14,768 5 #13,918
2011 21 #6,308
2010 6 #16,691 6 #11,981
2009 18 #7,303
2008 29 #5,123 7 #10,859
2007 23 #6,057 6 #12,141
2006 35 #4,252
2005 29 #4,687
2004 24 #5,359
2003 23 #5,392
2002 28 #4,487 8 #8,330
2001 25 #4,818
2000 16 #6,763 6 #10,168
1995 11 #8,010 6 #8,729
1990 12 #7,246
1985 11 #6,404
1980 10 #6,711
1975 17 #3,920
1970 7 #6,959
1965 13 #3,712
1960
1955
1950
1945
1940
1935
1930
1925
1920
1915
1910
1905
1900
1895
1890
1885
1880

Frequently asked questions

What does the name Sian mean?

An anglicization of Welsh Siân, ultimately from Latin Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) which produced John and its…

How popular is the name Sian in 2025?

Sian ranked #16,925 among girls' names in the United States in 2025, with 5 babies given the name, according to Social Security Administration data.

How many people are named Sian?

1,030 babies have been named Sian in the United States since 1962, based on Social Security card applications.

When was the name Sian most popular?

Sian peaked in 2002, when 36 newborns received the name.

Is Sian a boy or girl name?

Sian is used for both: about 83% of babies named Sian have been girls and 17% boys.

Is the name Sian rising or falling?

Sian is declining — less popular now than a decade ago.

Names like Sian

Compare Sian with similar names →