Theresa Girl

How popular is Theresa?

#1,548 girl name in 2025

136 baby girls were named Theresa in the US in 2025, making it the 1548th most popular girl name.

Compare with other names
271,509living people named Theresa (est.)
64median age of people named Theresa
405,831babies named Theresa since 1880
1 in 24,378US babies born in 2025

Theresa popularity over time

07,50015,000 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,548 for girls (▼ 56 from 2024)
Babies in 2025136 girls
10-year trendFalling (-35% babies vs 2015)
Earlier ranks#1,193 in 2015, #1,398 in 2020
Peak year1961 (11,960 girls)
Highest rank#32 in 1956
First recorded1880
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Theresa counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Theresa family of names ranked #1,258 for girls in 2025 (#1,215 the year before), with 141 babies in all.

SpellingGirls in 2025Share
Theresa 136 96%
Thereza 5 4%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Theresa is most popular

Babies named Theresa per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Alaska: 0.6 per 1,000 (5 girls)
  2. Pennsylvania: 0.2 per 1,000 (51 girls)
  3. Massachusetts: 0.1 per 1,000 (18 girls)
  4. New York: 0.1 per 1,000 (56 girls)
  5. New Jersey: 0.1 per 1,000 (24 girls)

Theresa by decade

DecadeBaby girlsBest rank
1880s2,505#101
1890s4,730#100
1900s6,396#94
1910s18,348#93
1920s36,666#49
1930s32,785#50
1940s35,789#62
1950s89,608#32
1960s97,118#35
1970s40,076#53
1980s22,389#99
1990s10,591#196
2000s4,555#418
2010s2,198#919
2020s859#1,398

Girl names about as popular as Theresa

Questions

Is Theresa a boy or girl name?
Theresa is mostly a girl name. Over the last 10 years, 100% of babies named Theresa were girls.
How popular is the name Theresa?
136 baby girls were named Theresa in the US in 2025, making it the 1548th most popular girl name.
When was Theresa most popular?
Theresa peaked in 1961, when 11,960 girls were given the name. Its highest rank was #32 in 1956.
How many people are named Theresa?
405,831 babies have been named Theresa in the US since 1880. We estimate about 271,509 of them are alive in 2026, with a median age of 64.
Where is Theresa most popular?
From 2021 to 2025, Theresa was most common in Alaska, at 0.6 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.