Sulo

Boys' name

Peace, through Sulejman

Sulo has been given to 220 babies in the U.S. since 1911. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1918, with 30 recorded.

Babies named Sulo, 1927

1 in 387,000

Sulo over time, 1880–2025

Boys

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Sulo: meaning, origin, and history

Peace, through Sulejman

Deeper origin not confirmed in the cited records

What Sulo means

Sulo belongs to the name family reached through Sulo → Sulejman → ܫܠܹܝܡܘܿܢ. Its meaning is “peace”.

Origin, language, and formation

Sulo is used in Albanian and Finnish.

Related names and everyday forms

Related names include Sulejman and ܫܠܹܝܡܘܿܢ.

Pronunciation and spelling

In Finnish, Sulo is pronounced /ˈsulo/.

American usage and historical context

In the United States, 220 boys were recorded with the name Sulo between 1911 and 1927. Its highest annual count was 30 in 1918; its best national rank was #1,300 in 1915.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Sulo?

Sulo had fewer than 5 recorded uses in 2025, so these figures use 1927, the last year it was published.

Among all babies, 1927: 1 in 387,000; 6 of 2,319,281 births
Among boys only: 1 in 188,000; <0.01% of boys
Rank, 1927: Unranked; Fewer than 5 uses
Coin-flip room size: 267,935 kids; Even odds of a second one

Where Sulo sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1927 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%

Class of 30Under 1%

Grade of 100Under 1%

School of 500Under 1%

Put another way: gather 267,935 children born in 1927 and it's an even bet that one of them is another Sulo. In a class of 30 the chance is Under 1%.

When Sulos were born

Half of everyone ever recorded as Sulo was born before 1918 — so the typical Sulo is around 107 today.

Median birth year: 1918; About 107 years old
Biggest decade: 1910s; 68.6% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 0; People you could plausibly meet

Choose a decade

1910s — 68.6% of all recorded uses (151).

Is Sulo rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 1918 (30)
Years since peak: 107; Years
Year-to-year steadiness: Volatile; 40.2% average annual change
Best rank ever: #1,300; 1915

Spellings of Sulo

Sulo is not the most common spelling — Julio is, with 25.2% against Sulo's 0.09%.

Julio25.2%63,775
Milo17.3%43,847
Saul17.1%43,288
Hugo14.8%37,482
Arlo9.6%24,245
Sol3.3%8,285
Kylo2.1%5,345
Paulo2.0%5,031

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Sulo is used

Across 1910–2025, Sulo was most concentrated in Michigan — about 1 in 100,000 boys, against 1 in 186,858 across all states with data. It was least common in Massachusetts (1 in —).

01 per 100,000

State popularity map

Most concentrated

1Michigan1 in 100,000
2Minnesota1 in 100,000
3Massachusetts1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Sulo has too little recent state data to map, so this covers all years from 1910.

Sulo by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #1,300; 1915
Peak year: 1918; 30 that year
First recorded: 1911
Last recorded: 1927
All-time count: 220
Count in 2025: Under 5

Names similar to Sulo

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sully Suleman Suliman Saulo Suleyman Sultan Romulo Sulayman Suleiman Paulo Sulaiman Castulo Sulton Sultaan Sullen Teodulo Sulieman Regulo Sullivan Sulaymaan Joaopaulo

Sibling names for Sulo

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Winnifred Johnie Ray Lida Maybelle Floy Garnet Mathilda

For a brother

Granville Valentine Ellsworth Orval Buster Omer Ferdinand Regis

Explore around Sulo

Top names of 1918, Sulo's peak year The 1910s in full Other names that peaked in 1915 Boys' names starting with S Short Finnish Boy Names