How Many People Are Named Cosby?
people named Cosby are alive in the United States today (estimate)
About 1 in 8,544,621 people in the US has this name
Based on 235 babies named Cosby in Social Security records from 1908 to 1975, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
15 births
Trend
Last year given
⚧ Gender Distribution
Almost all of the babies given the name Cosby (99.8%) were boys.
👥 Age Distribution
The average person named Cosby alive today is about 72 years old, and 76% are 60 or older.
📈 Popularity Over Time
Cosby first appears in the records in 1908 and was given most often in 1921, to 15 babies. The last year it was given to at least 5 babies of one sex was 1975.
Babies given the name each year, 1908 to 1975
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