Sion Boy

How popular is Sion?

#2,940 boy name in 2025

42 baby boys were named Sion in the US in 2025, making it the 2940th most popular boy name.

Compare with other names
854living people named Sion (est.)
14median age of people named Sion
883babies named Sion since 1880
1 in 78,937US babies born in 2025

Sion popularity over time

02550 18801900192019401960198020002020

Boys Girls

Rank in 2025#2,940 for boys (▲ 663 from 2024)
Babies in 202542 boys
10-year trendRising fast (+91% babies vs 2015)
Earlier ranks#4,405 in 2015, #3,073 in 2020
Peak year2022 (43 boys)
Highest rank#2,543 in 1912
First recorded1912
Boys vs girls (last 10 years)93% boys, 7% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Sion counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Sione family of names ranked #1,194 for boys in 2025 (#1,401 the year before), with 139 babies in all.

SpellingBoys in 2025Share
Sione 33 24%
Sion 42 30%
Syon 38 27%
Sian 26 19%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Sion is most popular

Babies named Sion per 1,000 boys born in each state, 2021 to 2025. Darker means more common.

  1. Georgia: 0.0 per 1,000 (12 boys)
  2. New York: 0.0 per 1,000 (18 boys)
  3. California: 0.0 per 1,000 (12 boys)
  4. Florida: 0.0 per 1,000 (5 boys)
  5. Texas: 0.0 per 1,000 (5 boys)

Sion by decade

DecadeBaby boysBest rank
1910s5#2,543
1920s10#4,149
1940s5#3,524
1970s41#3,939
1980s24#4,938
1990s56#4,531
2000s187#3,405
2010s241#3,100
2020s229#2,894

Boy names about as popular as Sion

Questions

Is Sion a boy or girl name?
Sion is mostly a boy name. Over the last 10 years, 93% of babies named Sion were boys.
How popular is the name Sion?
42 baby boys were named Sion in the US in 2025, making it the 2940th most popular boy name.
When was Sion most popular?
Sion peaked in 2022, when 43 boys were given the name. Its highest rank was #2,543 in 1912.
How many people are named Sion?
883 babies have been named Sion in the US since 1880. We estimate about 854 of them are alive in 2026, with a median age of 14.
Where is Sion most popular?
From 2021 to 2025, Sion was most common in Georgia, at 0.0 of every 1,000 boys born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.