Given name & surname
Cosmo
“the order of the universe”
Cosmo is used as a given name and a surname. One Greek interpretation is “the order of the universe.”
Original Ancient GreekΚόσμος
Meaning & origin
What it means
One Greek interpretation is “the order of the universe.”
Where it comes from
An origin associated with this spelling is Greek.
How it developed
In English usage, Cosmo developed from Κόσμος.
The story
Published U.S. birth records include this spelling as early as 1910. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Cosmo through the years
- Babies since 1880
- 2,955
- 2,949 boys · 6 girls
- Most popular year
- 2022
- 105 babies
- 2025
- 80
- #1,934 for boys
- 2021–25 vs 2016–20
- +114%
- Rising fast
Where it’s given
By the numbers
In 2025, this name appeared in 80 U.S. birth records for boys, ranking No. 1,934 among boys’ names. Average annual use for boys was 111.3% higher in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for boys with this name (14). Published U.S. population figures for this spelling include 1,704 as a first name in 2020; 312 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Cosmo’s family of names
In English usage, Cosmo shares an earlier linguistic root with Cosmas. In English usage, Cosmo has a conventional equivalent in the Spanish form COSME. In English usage, Cosmo has a related form in Cosimo.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Cosmo has relatives in 13 languages. Lines run from its Ancient Greek roots to each of them.
Ancient Greekwhere Cosmo comes from · 1 name
Nicknames & forms 7
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 14
Equivalents and cognates in other languages, plus older forms it grew from.
- Κόσμοςroot · Ancient Greek
- Cosimafeminine form
- CosmeSpanish, Galician
- CosminRomanian
- Kozmaequivalent
- КузьмаRussian
- CômeFrench
- Kuismacognate · Finnish
Show 6 moreShow fewer
See also 7
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Cosmo
- Cosmo Gordon LangBritish archbishop and clergyman (1864-1945)
- Cosmo Duff-GordonScottish landowner and fencer (1862–1931)
- Cosmo HamiltonEnglish novelist and playwright (1870–1942)
- Cosmo Gordon, 3rd Duke of GordonBritish peer (1720-1752)
- Cosmo Francesco RuppiArchbishop of the Roman Catholic Archdiocese of Lecce (1932-2011)
- Cosmo HaskardIrish-born British colonial administrator and retired British Army officer (1916-2017)
- Cosmo InnesBritish academic1798–1874
- Glusiano de Casatecardinal1250–1287
- Cosmo KleinGerman musicianborn 1978
Characters named Cosmo: Cosmo Kramer (main character on the TV show Seinfeld).
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Cosmo, these share its style, era, origin or sound, from outside its own family.
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