Theory

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Theory is a given name used predominantly for girls, but also given to boys (27% of births). There have been 223 people born with this name in the United States since 1880 — 142 as girls and 81 as boys. Theory gained popularity in the 2000s, peaked in 2023 and has since declined in popularity.

Popularity Over Time

Yearly Data

Year Births
2024 21
2023 27
2022 32
2021 30
2020 14
2019 8
2018 15
2017 5
2016 16
2015 14
2014 8
2013 9
2012 8
2010 5
2009 6
2006 5