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2025 data, released 8 May 2026

Sion

Sion was the 2981st most popular name for boys in 2025, given to 42 babies. Its best year was 1912, when it ranked 2860th; the most babies were born in 2022 (43). Over the last ten years it has moved up 1,548 places. More babies were named Sion in the 2010s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#2,981 boys, up 142 places since 2020
Babies in 2025
42boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
202243 babies
Total since 1880
883babies recorded

Sion popularity since 1880

012.52537.550 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.

A few girls are given the name too: 85 since 1999.

YearRank (boys)Babies (boys)
2025#2,98142
2020#3,12337
2010#4,50222
2000#4,04120
1990——
1980#5,4417
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Sion, counting every spelling?

Sion is the most common spelling of a name family that had 86 boys in 2025 across its spellings. Together these spellings went to 86 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Sion42#2,981192
Sione33#3,499165

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Sion?

42 of the 3,606,400 babies born in the US in 2025 were named Sion (0.01 per 1,000 births). For a boy named Sion born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 200 (of 430 pupils) would have a child named Sion.

Chance of another Sion in a class of 20under 1 in 50US, born 2025

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Sion?

About 800 people born in the US named Sion are alive today, with a median age of 13; half are between 6 and 23. That makes Sion mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Sion by state

How common Sion was among boys born in each state in 2021–2025. In 46 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: fewer than 5 a yearWA–Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: fewer than 5 a yearIL–Michigan: fewer than 5 a yearMI–New York: 0.04 per 1,000 babiesNY0.04Massachusetts: fewer than 5 a yearMA–Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: fewer than 5 a yearOH–Pennsylvania: fewer than 5 a yearPA–New Jersey: fewer than 5 a yearNJ–Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.01 per 1,000 babiesCA0.01Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: fewer than 5 a yearNC–South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: 0.05 per 1,000 babiesGA0.05Hawaii: fewer than 5 a yearHI–Texas: 0.01 per 1,000 babiesTX0.01Florida: 0.01 per 1,000 babiesFL0.01
Babies per 1,000 of the same sex, Sion, boys, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Sion: their share of US boys followed the most similar curve since 1880. If you like Sion, they share its era and feel.

Questions about the name Sion

How popular is the name Sion?

Sion was the 2981st most popular name for boys in 2025, given to 42 babies. Its best year was 1912, when it ranked 2860th; the most babies were born in 2022 (43). Over the last ten years it has moved up 1,548 places. More babies were named Sion in the 2010s than in any other decade.

Is Sion a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Sion in the US.

Where is Sion most popular?

In 2021–2025, Sion was most common in Georgia (0.05 per 1,000 boys), followed by New York and California.