Name Trends

See the popularity of first names over time in the USA

How popular is “Theory” in the USA?

Number of people named “Theory” by birth year

This chart shows how many people named “Theory” were born each year.

Due to changes to population growth and data collection rates over time, this isn't a good chart for understanding popularity.

Popularity of “Theory” by birth year

This chart shows how the popularity of “Theory” has changed over time.

Popularity is the number of people named “Theory” born in that year divided by the total number of births for that year.

Bias in sex for “Theory” by birth year

This chart shows how “Theory” has been used as gendered name over time. The scale ranges from 1 (only females) to -1 (only males).

Sex is a required field in SSA's Social Security Card applications (only 2 options). Most applications are filed around a person's time of birth.

The raw data

This table shows the data used in the above charts.

Year Count Proportion Females Males Bias toward female
2006 5 0.000001264 5 100%
2009 6 0.000001571 6 -100%
2010 5 0.000001353 5 -100%
2012 8 0.000002187 8 100%
2013 9 0.000002469 9 100%
2014 8 0.000002158 8 100%
2015 14 0.000003783 7 7 0%
2016 16 0.000004361 8 8 0%
2017 5 0.000001398 5 100%
2018 15 0.000004266 7 8 -7%
2019 8 0.000002305 8 100%
2020 14 0.000004191 8 6 14%
2021 30 0.000008855 18 12 20%
2022 32 0.000009459 18 14 13%
2023 27 0.000008154 19 8 41%
2024 21 0.000006309 14 7 33%

Explore other names

These names are alphabetically near to Theory:

  1. Theordore
  2. Theoren
  3. Theori
  4. Theoria
  5. Theorie
  6. Theory (this page)
  7. Theos
  8. Theotis
  9. Thera
  10. Theral
  11. Therald