How Many People Are Named Jefferey?
people named Jefferey are alive in the United States today (estimate)
About 1 in 99,907 people in the US has this name
Based on 3,973 babies named Jefferey in Social Security records from 1943 to 2019, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
141 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Jefferey in the records were boys.
👥 Age Distribution
The average person named Jefferey alive today is about 50 years old, and 64% are between 30 and 59. Half of them were between 40 and 60 in 2025.
📈 Popularity Over Time
Jefferey first appears in the records in 1943 and was given most often in 1969, to 141 babies. The last year it was given to at least 5 babies of one sex was 2019.
Babies given the name each year, 1943 to 2019
🏆 Rank History
Jefferey has never been one of the 100 most popular boys' names. Its best rank was #665, in 1969.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #665 (1969) |
| Years in the top 100 | None |
| Rank in its biggest decade | #726 in the 1960s |
📍 State-Wise Distribution
People named Jefferey alive today, by the state where they were born (estimate; state records start in 1910).
More people named Jefferey were born in California than in any other state: about 465 of those alive today. Compared with the national rate in the same years, Jefferey was given 3.4 times as often in California, 1.8 times in Ohio and 1.6 times in Michigan.
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