Given name

Thaddaus

“having heart”

Thaddaus is a variant of Thaddeus. One Aramaic interpretation is “having heart.” Its derivation is not certain.

Meaning & origin

What it means

Thaddaus is a variant of Thaddeus. One Aramaic interpretation is “having heart.” Its derivation is not certain.

Explained through its name family

Where it comes from

Thaddaus is a variant of Thaddeus. Thaddeus has been associated with Aramaic and Greek naming traditions. The precise derivation is uncertain.

Explained through its name family

The story

Published U.S. birth records include this spelling as early as 1979. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Thaddaus through the years

Babies since 1880
11
11 boys · 0 girls
Most popular year
1988
6 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
01234198020002025Highest share 19880.0
Thaddaus in U.S. Social Security birth records, 1979–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 6 in 1988. Later missing counts do not mean the name went unused.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Thaddaus’s family of names

Thaddaus has a related form in Thaddeus.

Walk Thaddaus’s family in the name graph

ThaddausThaddäusThaddeus

Inner ring: spellings · outer: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Similar names

If you love Thaddaus, these share its style, era, origin or sound, from outside its own family.

French

Kurtis

“a courtier”

31RareCooling

>99% boys

Modern

Akeem

“God will judge” · “one who is wise; intelligent”

36RareEasing

>99% boys

French

Travis

“to cross over”

62FamiliarEasing

>99% boys

French · Royal

Jacques

“he who supplants” · “heel grabber”

37RareEasing

>99% boys

French

Marquis

“a lord of the borderlands; a nobleman”

39RareCooling

>99% boys

American

Jamar

“a handsome man”

36RareEasing

>99% boys

 

Terrance

“learned” · “instigator”

40UncommonCooling

>99% boys

American

Demarcus

“the son of Marcus”

35RareCooling

>99% boys

Sibling ideas

Names that share Thaddaus’s feel without repeating its first letter or rhyming with it.

A brother for Thaddaus

A sister for Thaddaus