Thadius: Name Popularity, History & Rankings (1880

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	15	2	–	#4,816
1930s	–	–	–	–
1940s	–	–	–	–
1950s	6	1	–	#3,677
1960s	13	1	+117%	#3,641
1970s	118	12	+808%	#2,266
1980s	89	9	-25%	#3,705
1990s	116	12	+30%	#4,084
2000s	81	8	-30%	#6,044
2010s	61	6	-25%	#8,794
2020s (to 2025)	12	2	-67%	#10,810

Decade

Boys

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

#4,816

1930s

–

1940s

–

1950s

–

#3,677

1960s

+117%

#3,641

1970s

118

+808%

#2,266

1980s

-25%

#3,705

1990s

116

+30%

#4,084

2000s

-30%

#6,044

2010s

-25%

#8,794

2020s (to 2025)

-67%

#10,810

The story of Thadius

Thadius 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 1922, 511 American babies have been named Thadius. Its peak came in 1974, when 19 newborns received the name, the signature sound of the 1970s.

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

How old are people named Thadius?

The median living Thadius is about 33 years old; half are between 22 and 46. An estimated 500 people named Thadius 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.

Thadius year by year

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

Year	Boys	Boys rank
2025	–	–
2024	7	#10,810
2023	–	–
2022	–	–
2021	–	–
2020	5	#13,845
2019	6	#11,991
2018	6	#11,991
2017	–	–
2016	8	#9,581
2015	7	#10,513
2014	6	#11,960
2013	8	#9,571
2012	9	#8,794
2011	5	#14,134
2010	6	#12,063
2009	7	#10,852
2008	10	#8,243
2007	6	#12,203
2006	6	#11,913
2005	8	#9,009
2004	9	#8,085
2003	8	#8,555
2002	12	#6,044
2001	9	#7,457
2000	6	#10,236
1995	11	#5,467
1990	8	#6,359
1985	10	#4,307
1980	7	#5,469
1975	11	#3,411
1970	7	#4,194
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Thadius?

The median living Thadius is about 33 years old. Half of all living Thadiuss are between 22 and 46 years old.

How many people named Thadius are alive today?

An estimated 500 people named Thadius are alive in the United States, based on 511 recorded births and Social Security life tables.

How popular is the name Thadius in 2025?

Thadius 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 Thadius?

511 babies have been named Thadius in the United States since 1922, based on Social Security card applications.

When was the name Thadius most popular?

Thadius peaked in 1974, when 19 newborns received the name.

Is Thadius a boy or girl name?

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

Is the name Thadius rising or falling?

Thadius is declining, less popular now than a decade ago.

Thadius

Thadius popularity over time

The story of Thadius

How old are people named Thadius?

Thadius year by year

Frequently asked questions

Names like Thadius