Baby Names US
girls' name ★ peaked 1959

Theresia

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Theresia
How common
–
girls born in 2025
Peak year
1959
58 babies
All-time total
2,016
#4,683 all-time among girls
First recorded
1881
in Social Security records

Theresia popularity over time

2,016 babies have been named Theresia since 1881, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.040.080.110.1518801900192019401960198020002020Peak 1888Girls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Per year Change Best rank
1880s 106 11 – #527
1890s 145 15 +37% #665
1900s 106 11 -27% #834
1910s 174 17 +64% #1,295
1920s 173 17 -1% #1,919
1930s 127 13 -27% #1,910
1940s 196 20 +54% #1,561
1950s 375 38 +91% #1,416
1960s 333 33 -11% #1,716
1970s 133 13 -60% #3,102
1980s 100 10 -25% #4,310
1990s 28 3 -72% #8,698
2000s 20 2 -29% #13,042
2010s – – – –
2020s (to 2025) – – – –

The story of Theresia

Theresia is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1881, 2,016 American babies have been named Theresia. Its peak came in 1959, when 58 newborns received the name, the signature sound of the 1950s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Theresia stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Theresia?

The median living Theresia is about 64 years old; half are between 55 and 72. An estimated 1,100 people named Theresia are alive in the United States today.

median 64 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Theresia year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 – –
2019 – –
2018 – –
2017 – –
2016 – –
2015 – –
2014 – –
2013 – –
2012 – –
2011 – –
2010 – –
2009 – –
2008 – –
2007 7 #15,351
2006 – –
2005 – –
2004 – –
2003 – –
2002 6 #15,255
2001 – –
2000 7 #13,042
1995 – –
1990 – –
1985 7 #9,223
1980 18 #4,310
1975 12 #5,142
1970 22 #3,102
1965 26 #2,404
1960 36 #1,920
1955 34 #1,834
1950 27 #1,868
1945 13 #2,585
1940 10 #2,937
1935 18 #1,910
1930 14 #2,412
1925 10 #3,340
1920 20 #2,009
1915 27 #1,401
1910 9 #1,758
1905 7 #1,680
1900 9 #1,417
1895 12 #977
1890 9 #1,000
1885 10 #741
1880 – –

Famous people named Theresia

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Theresia Kiesl Austrian middle-distance runner b. 1963 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Theresia, drawn from the same Social Security data as the charts above.

How old is the average Theresia?

The median living Theresia is about 64 years old. Half of all living Theresias are between 55 and 72 years old.

How many people named Theresia are alive today?

An estimated 1,100 people named Theresia are alive in the United States, based on 2,016 recorded births and Social Security life tables.

How popular is the name Theresia in 2025?

Theresia did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Theresia?

2,016 babies have been named Theresia in the United States since 1881, based on Social Security card applications.

When was the name Theresia most popular?

Theresia peaked in 1959, when 58 newborns received the name.

Is Theresia a boy or girl name?

Theresia is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Theresia rising or falling?

Theresia has been roughly stable over the past decade.

Who are famous people named Theresia?

Well-known people named Theresia include Theresia Kiesl (athlete).

Names like Theresia

Names that sound and feel close to Theresia: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Theresia with similar names → More names starting with T →