Theresa

Origin: Undetermined — Variant of Teresa

Nicknames: Tracy, Tessy

Girl's name · #1559 in the US (2025) · Retro

Popularity over time

Theresa reached its best rank, #32, in 1956 and ranked #1559 in 2025. Roughly 405,000 girls have been named Theresa since 1880. In all that time it has never once missed a year of the national records.

Across the states

See where Theresa is more common.

Appears in 2020-2025 birth records of 13 states. See the full state-by-state map on this page.

Around the world

See how Theresa ranks in other countries and regions.

#39 in Austria (2025) · #1,001 in Switzerland (2025) · #1,504 in England & Wales (2025) · #1,522 in Sweden (2025) · #1,537 in Canada (2024).

Famous Theresas

Theresa May — Prime Minister of the United Kingdom from 2016 to 2019
Theresa Russell — American actress
Theresa of León — Countess-Queen of Portugal
Theresa Kunegunda Sobieska — Electress of Bavaria and of the Electorate of the Palatinate (1676–1730)
Theresa Kachindamoto — Paramount chief in Malawi

In stories & tradition

Theresa (Siryn) — Uncanny X-Men · X-Factor
Theresa Diaz — The O.C. (TV series)
Theresa Russo^fr — Wizards of Waverly Place (TV series)

What Theresas become

Among 846 notable people named Theresa:

Scientists & scholars appear 1.25× more often than among typical names — e.g. Theresa Goell, American archaeologist (1901–1985).

Spellings & nicknames

Together with its spelling variant Teresa (#911), Theresa would rank around #664 with about 430 births last year — the newborns split about 68/32 between Teresa and Theresa.

About 76 girls a year are given Tracy as their full name.

Similar names: Teresa · Denise · Terra · Janessa · Cindy · Pamela

Browse more girl names — popularity, trends and eras for 5,700+ American names, free.

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