Theodoro: Name Popularity, History & Rankings (1880

Rank 2025

#2,934

among boys · ↑1,250 vs 2024

Babies in 2025

named Theodoro · +65% vs 2024

How common

1 in 39,723

boys born in 2025

Peak year

2025

43 babies

All-time total

309

#10,413 all-time among boys

First recorded

1929

in Social Security records

Theodoro popularity over time

309 babies have been named Theodoro since 1929, 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	Boys	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	5	1	–	#4,481
1930s	12	1	+140%	#3,563
1940s	5	1	-58%	#4,153
1950s	12	1	+140%	#3,291
1960s	12	1	0%	#3,630
1970s	19	2	+58%	#4,458
1980s	37	4	+95%	#4,920
1990s	27	3	-27%	#7,197
2000s	5	1	-81%	#14,391
2010s	38	4	+660%	#6,010
2020s (to 2025)	137	23	+501%	#2,934

Where Theodoro is heading

A five-year projection from the recent trend in births per 1,000 boys (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 boys	Implied rank
2026	50	0.03	outside top 500
2027	57	0.03	outside top 500
2028	64	0.04	outside top 500
2029	71	0.04	outside top 500
2030	77	0.05	outside top 500

The story of Theodoro

Theodoro is rare for boys in the United States, ranked #2,934 in 2025 with 43 babies given the name. It is currently rising compared with a decade ago.

Since 1929, 309 American babies have been named Theodoro. Its peak came in 2025, when 43 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 Theodoro stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Theodoro?

The median living Theodoro is about 6 years old; half are between 2 and 37. An estimated 300 people named Theodoro 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.

Theodoro year by year

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

Year	Boys	Boys rank
2025	43	#2,934
2024	26	#4,184
2023	18	#5,438
2022	18	#5,416
2021	19	#5,091
2020	13	#6,582
2019	7	#10,705
2018	15	#6,010
2017	6	#12,088
2016	5	#13,990
2015	–	–
2014	–	–
2013	–	–
2012	–	–
2011	5	#14,138
2010	–	–
2009	–	–
2008	5	#14,391
2007	–	–
2006	–	–
2005	–	–
2004	–	–
2003	–	–
2002	–	–
2001	–	–
2000	–	–
1995	–	–
1990	5	#9,365
1985	–	–
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	7	#3,291
1945	–	–
1940	–	–
1935	–	–
1930	7	#3,563
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Theodoro?

The median living Theodoro is about 6 years old. Half of all living Theodoros are between 2 and 37 years old.

How many people named Theodoro are alive today?

An estimated 300 people named Theodoro are alive in the United States, based on 309 recorded births and Social Security life tables.

How popular is the name Theodoro in 2025?

Theodoro ranked #2,934 among boys' names in the United States in 2025, with 43 babies given the name, according to Social Security Administration data.

How many people are named Theodoro?

309 babies have been named Theodoro in the United States since 1929, based on Social Security card applications.

When was the name Theodoro most popular?

Theodoro peaked in 2025, when 43 newborns received the name.

Is Theodoro a boy or girl name?

Theodoro is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Theodoro rising or falling?

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

Will Theodoro become more popular?

Theodoro is trending upward. If the recent trend holds, we project roughly 77 boys named Theodoro in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Theodoro

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

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