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Theory

↑ Rising

Used for both girls and boys · 64% girls / 36% boys since 2006

All-time babies

257

since 2006

Girls rank, 2025

#5917

20 babies

Boys rank, 2025

#7679

10 babies

Peak year (girls)

2023

20 babies, #5960

Letters

6

2 syllables

Babies named Theory per year

Popularity rank over time

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Names that sound like Theory

Terry 521,478 babies ever Troy 218,982 babies ever Tara 176,355 babies ever Terri 147,027 babies ever Teri 44,171 babies ever Trey 40,573 babies ever Tori 38,348 babies ever Tiara 23,929 babies ever Terrie 20,068 babies ever Tyree 15,570 babies ever Terra 15,434 babies ever Tierra 15,011 babies ever