Name Awesome

Osmo

Boys' name

Possibly wolverine

Osmo has been given to 13 babies in the U.S. since 1915. 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 1915, with 7 recorded.

Babies named Osmo, 1917

1 in 334,000

Osmo over time, 1880–2025

Boys
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Osmo: meaning, origin, and history

Possibly wolverine

Deeper origin not confirmed in the cited records

What Osmo means

Osmo may mean “wolverine”, associated with osma.

Origin, language, and formation

Osmo is used in Finnish.

Pronunciation and spelling

In Finnish, Osmo is pronounced /ˈosmo/.

American usage and historical context

In the United States, 13 boys were recorded with the name Osmo between 1915 and 1917. Its highest annual count was 7 in 1915; its best national rank was #3,311 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 Osmo?

Osmo had fewer than 5 recorded uses in 2025, so these figures use 1917, the last year it was published.

Among all babies, 1917
1 in 334,000
6 of 2,006,698 births
Among boys only
1 in 154,000
<0.01% of boys
Rank, 1917
Unranked
Fewer than 5 uses
Coin-flip room size
231,824 kids
Even odds of a second one

Where Osmo 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 1917 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 231,824 children born in 1917 and it's an even bet that one of them is another Osmo. In a class of 30 the chance is Under 1%.

When Osmos were born

Half of everyone ever recorded as Osmo was born before 1915 — so the typical Osmo is around 110 today.

Median birth year
1915
About 110 years old
Biggest decade
1910s
100.0% 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 — 100.0% of all recorded uses (13).

Is Osmo 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 1915 (7)
Years since peak
110
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#3,311
1915

Spellings of Osmo

Osmo is not the most common spelling — Otto is, with 53.7% against Osmo's 0.02%.

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.

Osmo around the world

Where Osmo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • France
    2021–2021
    #4,974
    in 2021

Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.

Osmo 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
#3,311
1915
Peak year
1915
7 that year
First recorded
1915
Last recorded
1917
All-time count
13
Count in 2025
Under 5

Names similar to Osmo

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

OsmerOsmundKosmoOsmonOsmanyOsmelOsminOsmaniOsmondOsmarOsmanCosmoErasmo

Sibling names for Osmo

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

Explore around Osmo

Top names of 1915, Osmo's peak yearThe 1910s in fullOther names that peaked in 1915Boys' names starting with OUncommon Finnish Boy Names