How Many People Are Named Dennison?
people named Dennison are alive in the United States today (estimate)
About 1 in 606,001 people in the US has this name
Based on 760 babies named Dennison in Social Security records from 1915 to 2024, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
18 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Dennison in the records were boys.
👥 Age Distribution
The average person named Dennison alive today is about 43 years old, and 48% are between 30 and 59. Half of them were between 27 and 58 in 2025.
📈 Popularity Over Time
Dennison first appears in the records in 1915 and was given most often in 1949, to 18 babies. The last year it was given to at least 5 babies of one sex was 2024.
Babies given the name each year, 1915 to 2024
🏆 Rank History
Dennison has never been one of the 100 most popular boys' names. Its best rank was #1,772, in 1949.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #1,772 (1949) |
| Years in the top 100 | None |
| Rank in its biggest decade | #3,686 in the 1980s |
📍 State-Wise Distribution
People named Dennison alive today, by the state where they were born (estimate; state records start in 1910).
More people named Dennison were born in New Mexico than in any other state: about 9 of those alive today.
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