Cosby comes from the Modern American tradition, meaning Surname. Of English origin..
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How popular is Cosby?
1917peak year
Cosby first appears in the U.S. registration record in 1908. Its popularity climbed over the following decades. In 1917, 12 babies received the name (ranked #2315). In the most recent decade it does not appear in national rankings. In total, around 235 babies have been registered with this name since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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