How Many People Are Named Theory?
people named Theory are alive in the United States today (estimate)
About 1 in 1,335,097 people in the US has this name
Based on 257 babies named Theory in Social Security records from 2006 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
33 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
Of the babies given the name Theory, 64.2% were girls and 35.8% were boys.
👥 Age Distribution
The average person named Theory alive today is about 6 years old, and 100% are under 30. Half of them were between 2 and 9 in 2025.
📈 Popularity Over Time
Theory first appears in the records in 2006 and was given most often in 2022, to 33 babies. In 2025, 30 babies got the name.
Babies given the name each year, 2006 to 2025
🏆 Rank History
Theory has never been one of the 100 most popular girls' names. Its best rank was #6,091, in 2025. In 2025 it ranked #6,091. Among boys, its best rank was #6,117, in 2022.
| Girls | Boys | |
|---|---|---|
| Rank in 2025 | #6,091 | #8,183 |
| Best rank | #6,091 (2025) | #6,117 (2022) |
| Years in the top 100 | None | None |
| Rank in its biggest decade | #6,848 in the 2020s | #7,930 in the 2020s |
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