Theadora: Name Popularity, History & Rankings (1880

Rank 2025

#2,170

among girls · ↓278 vs 2024

Babies in 2025

named Theadora · -19% vs 2024

How common

1 in 18,689

girls born in 2025

Peak year

2024

106 babies

All-time total

1,507

#5,674 all-time among girls

First recorded

1906

in Social Security records

Theadora popularity over time

1,507 babies have been named Theadora since 1906, 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

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	–	–	–	–
1890s	–	–	–	–
1900s	10	1	–	#2,189
1910s	51	5	+410%	#2,515
1920s	106	11	+108%	#2,421
1930s	83	8	-22%	#2,404
1940s	93	9	+12%	#2,530
1950s	38	4	-59%	#3,219
1960s	31	3	-18%	#5,756
1970s	8	1	-74%	#6,320
1980s	51	5	+537%	#6,921
1990s	118	12	+131%	#4,834
2000s	118	12	0%	#6,866
2010s	287	29	+143%	#2,449
2020s (to 2025)	513	86	+198%	#1,892

Where Theadora is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year	Projected babies	Per 1,000 girls	Implied rank
2026	93	0.06	outside top 500
2027	100	0.06	outside top 500
2028	105	0.07	outside top 500
2029	111	0.07	outside top 500
2030	115	0.07	outside top 500

Where Theadora is most popular

Girls named Theadora per 1,000 girls born in each state, 2021–2025. National average: 0.055 per 1,000. Strongest in Michigan, Illinois, and Colorado.

Vs national average

well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Theadora born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State	Girls 2021–2025	Per 1,000	vs national
Michigan	19	0.104	+91%
Illinois	23	0.100	+84%
Colorado	11	0.099	+80%
Pennsylvania	23	0.097	+78%
New York	26	0.066	+20%
Wisconsin	5	0.049	-11%
Minnesota	5	0.046	-15%
Missouri	5	0.041	-24%
Virginia	7	0.041	-25%
Tennessee	5	0.032	-42%
North Carolina	5	0.022	-60%
Ohio	5	0.021	-61%
California	14	0.017	-69%
Texas	12	0.015	-73%
Florida	6	0.014	-74%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Arizona	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Georgia	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Indiana	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Louisiana	–	–	–
Massachusetts	–	–	–
Maryland	–	–	–
Maine	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Jersey	–	–	–
New Mexico	–	–	–
Nevada	–	–	–
Oklahoma	–	–	–
Oregon	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Utah	–	–	–
Vermont	–	–	–
Washington	–	–	–
West Virginia	–	–	–
Wyoming	–	–	–

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Theadora

Theadora is rare for girls in the United States, ranked #2,170 in 2025 with 86 babies given the name. It is currently rising compared with a decade ago.

Since 1906, 1,507 American babies have been named Theadora. Its peak came in 2024, when 106 newborns received the name, the signature sound of the 2020s.

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 Theadora stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Theadora?

The median living Theadora is about 7 years old; half are between 3 and 26. An estimated 1,200 people named Theadora are alive in the United States today.

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

Theadora year by year

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

Year	Girls	Girls rank
2025	86	#2,170
2024	106	#1,892
2023	76	#2,393
2022	85	#2,227
2021	90	#2,118
2020	70	#2,498
2019	73	#2,449
2018	41	#3,736
2017	41	#3,761
2016	32	#4,522
2015	31	#4,580
2014	14	#8,452
2013	15	#8,115
2012	20	#6,557
2011	11	#10,335
2010	9	#12,189
2009	6	#17,122
2008	14	#8,930
2007	14	#8,978
2006	8	#13,511
2005	13	#8,839
2004	9	#11,541
2003	17	#6,866
2002	11	#9,427
2001	15	#7,291
2000	11	#9,122
1995	19	#5,206
1990	6	#12,835
1985	10	#6,921
1980	8	#8,114
1975	–	–
1970	8	#6,320
1965	–	–
1960	–	–
1955	–	–
1950	12	#3,219
1945	8	#3,654
1940	7	#3,831
1935	5	#4,828
1930	6	#4,508
1925	13	#2,759
1920	5	#5,676
1915	12	#2,515
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Theadora?

The median living Theadora is about 7 years old. Half of all living Theadoras are between 3 and 26 years old.

How many people named Theadora are alive today?

An estimated 1,200 people named Theadora are alive in the United States, based on 1,507 recorded births and Social Security life tables.

How popular is the name Theadora in 2025?

Theadora ranked #2,170 among girls' names in the United States in 2025, with 86 babies given the name, according to Social Security Administration data.

How many people are named Theadora?

1,507 babies have been named Theadora in the United States since 1906, based on Social Security card applications.

When was the name Theadora most popular?

Theadora peaked in 2024, when 106 newborns received the name.

Is Theadora a boy or girl name?

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

Is the name Theadora rising or falling?

Theadora is on the rise, noticeably more popular now than a decade ago.

Will Theadora become more popular?

Theadora is trending upward. If the recent trend holds, we project roughly 115 girls named Theadora in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Theadora

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

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