Cosmo
Cosmo is a British and Italian surname and unisex given name. It means order, decency, and beauty; this is the English form of Cosimo, introduced to Britain in the 18th century by the Scottish nobleman the second Duke of Gordon, who named his son and successor after his friend Cosimo III de' Medici. Notable people with the name include:
- Italian
- English
Meaning & Origin of Cosmo
What this name means, where it came from, and how it has traveled across cultures.
Cosmo is a British and Italian surname and unisex given name. It means order, decency, and beauty; this is the English form of Cosimo, introduced to Britain in the 18th century by the Scottish nobleman the second Duke of Gordon, who named his son and successor after his friend Cosimo III de' Medici. Notable people with the name include:
Source: Wikipedia (CC BY-SA 3.0). Read more →
Cultural Origins (via Behind the Name)
- Italian
- English
The Story of Cosmo
Cosmo first appeared in U.S. Social Security Administration records as a baby boy name in 1910, with 6 babies given the name that year. The name hit its high-water mark in 2026: 111 births, good for #1,570 nationwide. About 21% of every Cosmo on record arrived during the 2020s, its defining decade. As of 2026, Cosmo ranks #1,570 for baby boys with 111 births, rising sharply (+89% over the past five years). All told, over 3K Americans have carried the name since 1880, from the 1910s to the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Cosmo
Foreign forms, alternate spellings, and nicknames that share roots with Cosmo. Linked entries have a profile on Peek a Name.
Names that sound like Cosmo
Phonetically similar names — useful when Cosmo is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Cosmo
What does the name Cosmo mean?
What is the origin of the name Cosmo?
How popular is Cosmo in 2026?
When was Cosmo most popular?
In which U.S. states is Cosmo most popular?
Is Cosmo a unisex name?
What names go well with Cosmo?
What are nicknames or variants of Cosmo?
About the name Cosmo
Cosmo is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1910 and has accumulated 3K births in the dataset. Cosmo's peak popularity came in 2026 when it ranked #930. Use the chart and map above to compare Cosmo's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2026 →
- Names of the 2020s →
- Names starting with "C" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.