Cosby
The Story of Cosby
As a girl name
Cosby first appeared in U.S. Social Security Administration records as a girl name in 1908, with 5 babies given the name that year. Its peak popularity came in 1921, when 7 Cosbys were born — ranking #4,023 that year. As of 2026, Cosby ranks #4,376 for girls with 6 births, with steady use. In total, more than 23 Cosbys have been born in the U.S. since records began in 1880, spanning the 1900s through the 2020s.
As a boy name
Cosby first appeared in U.S. Social Security Administration records as a boy name in 1914, with 7 babies given the name that year. Its peak popularity came in 1917, when 12 Cosbys were born — ranking #2,280 that year. As of 2026, Cosby ranks #4,797 for boys with 6 births, with steady use. In total, more than 212 Cosbys have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Cosby
Phonetically similar names — useful when Cosby 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 Cosby
What does the name Cosby mean?
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In which U.S. states is Cosby most popular?
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About the name Cosby
Cosby is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1914 and has accumulated 212 births in the dataset. Cosby's peak popularity came in 1917 when it ranked #2,280. Use the chart and map above to compare Cosby's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1917 →
- Names of the 1910s →
- Names starting with "C" →
- Browse all boy names →
- Top names of 2026 →
- Browse unisex names →
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.