Theia: Name Popularity, History & Rankings (1880

Rank 2025

#1,989

among girls · ↓150 vs 2024

Babies in 2025

named Theia · -12% vs 2024

How common

1 in 16,570

girls born in 2025

Peak year

2019

113 babies

All-time total

1,217

#6,551 all-time among girls

First recorded

1967

in Social Security records

Theia popularity over time

1,217 babies have been named Theia since 1967, 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	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	–	–	–	–
1950s	–	–	–	–
1960s	6	1	–	#6,738
1970s	5	1	-17%	#9,681
1980s	6	1	+20%	#12,252
1990s	–	–	–	–
2000s	21	2	–	#12,363
2010s	607	61	+2790%	#1,813
2020s (to 2025)	572	95	+57%	#1,839

Where Theia 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	97	0.06	outside top 500
2027	98	0.06	outside top 500
2028	98	0.06	outside top 500
2029	98	0.06	outside top 500
2030	98	0.06	outside top 500

Where Theia is most popular

Girls named Theia per 1,000 girls born in each state, 2021–2025. National average: 0.061 per 1,000. Strongest in Minnesota, Oregon, and Michigan.

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 Theia 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
Minnesota	17	0.158	+158%
Oregon	7	0.108	+76%
Michigan	13	0.071	+17%
Florida	29	0.068	+11%
California	47	0.056	-8%
Colorado	6	0.054	-12%
New York	19	0.048	-21%
Maryland	5	0.047	-23%
Washington	6	0.042	-32%
Massachusetts	5	0.041	-32%
Pennsylvania	8	0.034	-45%
New Jersey	6	0.033	-46%
North Carolina	7	0.031	-50%
Texas	22	0.027	-55%
Illinois	5	0.022	-64%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Arizona	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Georgia	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Indiana	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Louisiana	–	–	–
Maine	–	–	–
Missouri	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Mexico	–	–	–
Nevada	–	–	–
Ohio	–	–	–
Oklahoma	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Tennessee	–	–	–
Utah	–	–	–
Virginia	–	–	–
Vermont	–	–	–
Wisconsin	–	–	–
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 Theia

Theia is rare for girls in the United States, ranked #1,989 in 2025 with 97 babies given the name. It is currently rising compared with a decade ago.

Since 1967, 1,217 American babies have been named Theia. Its peak came in 2019, when 113 newborns received the name, the signature sound of the 2010s.

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

How old are people named Theia?

The median living Theia is about 6 years old; half are between 2 and 9. An estimated 1,200 people named Theia 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.

Theia year by year

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

Year	Girls	Girls rank
2025	97	#1,989
2024	110	#1,839
2023	98	#2,016
2022	91	#2,122
2021	99	#1,979
2020	77	#2,315
2019	113	#1,813
2018	109	#1,867
2017	112	#1,841
2016	98	#2,031
2015	76	#2,428
2014	42	#3,710
2013	18	#7,008
2012	14	#8,593
2011	17	#7,403
2010	8	#13,352
2009	9	#12,363
2008	6	#17,327
2007	6	#17,468
2006	–	–
2005	–	–
2004	–	–
2003	–	–
2002	–	–
2001	–	–
2000	–	–
1995	–	–
1990	–	–
1985	–	–
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Theia?

The median living Theia is about 6 years old. Half of all living Theias are between 2 and 9 years old.

How many people named Theia are alive today?

An estimated 1,200 people named Theia are alive in the United States, based on 1,217 recorded births and Social Security life tables.

How popular is the name Theia in 2025?

Theia ranked #1,989 among girls' names in the United States in 2025, with 97 babies given the name, according to Social Security Administration data.

How many people are named Theia?

1,217 babies have been named Theia in the United States since 1967, based on Social Security card applications.

When was the name Theia most popular?

Theia peaked in 2019, when 113 newborns received the name.

Is Theia a boy or girl name?

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

Is the name Theia rising or falling?

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

Will Theia become more popular?

Theia looks stable. If the recent trend holds, we project roughly 98 girls named Theia in 2030, ranking outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Theia

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

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