Thadius

“Courageous heart.” — Associated with Thaddeus of the Twelve Apostles in Christianity

USA origin · Boy name

♂ 97% boys♀ 3% girls

#13840US 2020

5Births / yr

↓Falling

504All-time births

📅 Since 192200

What does Thadius mean and where does it come from?

Thadius seems to be an evolved form of the name Thaddeus, which is derived from Aramaic (תַּדֵּי). Thaddeus means 'heart' or 'courageous heart'. The name is often associated with Thaddeus of the Twelve Apostles in Christianity, who was also known as Judas, son of James. Thadius is increasingly being

Cultural significance

Thadius has been a cherished name across cultures, particularly in USA-speaking communities, where it reflects values of courageous heart..

Peak popularity

Reached #2252 in 1974 — currently #13840 in the US.

🌿

What middle names flow best with Thadius?

Thadius works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Thadius Grace

How popular is Thadius right now?

Falling — down 2409 spots — currently #13840 in the US out of 135.5k tracked names

US Trend 1970–2020#13840 · Top 10%

1970

1975

1980

1985

1990

1995

2000

2005

2010

2015

2020

Year	US Rank	Births	vs Prior Year
2020	#12112	5	▼ down 2409 · -29% births
2015	#9703	7	▲ up 1228 · +17% births
2010	#10931	6	▼ down 2496 · -25% births
2005	#8435	8	▲ up 870 · +33% births
2000	#9305	6	▼ down 4096 · -45% births
1995	#5209	11	▲ up 755 · +38% births
1990	#5964	8	▼ down 1814 · -20% births
1985	#4150	10	▲ up 970 · +43% births
1980	#5120	7	▼ down 1787 · -36% births
1975	#3333	11	▲ up 694 · +57% births
1970	#4027	7	—

Name Popularity Timeline

Popularity Statistics for Thadius

Best Year1975Rank #3333

Peak Count11

Average Rank#7117

Current Trend↘Falling

Data Range1970 - 202011 years

The story of Thadius

Thadius entered American naming records in 1922 and has been in use for over 102 years. With 504 total births recorded, Thadius remains relatively uncommon. Once ranked #4027 in 1970, the name has become less common in recent years, sitting at #12112 in 2020.

Names that peaked alongside Thadius in 1974:

Michael Jason Christopher David James

Thadius by decade

Thadius peaked in the 1970s. See all 1970s names →

Decade	Births
1920s	15
1950s	6
1960s	13
1970s ★	118
1980s	89
1990s	116
2000s	81
2010s	61
2020s	5

💎Thadius has only 504 total recorded births since 1922 — rarer than 99% of names in our database.

What are good nicknames for Thadius?

Common

ThaThadThadieThadyAdius

What names sound and feel like Thadius?

Based on sound, origin, and style — parents who love Thadius also consider these

Thaddius

Greece · heart

Thadeus

Greece · courageous heart

Thaddus

Greece · Courageous

Travius

English · A meaningful name

Ldarius

USA · American English

Dharius

American · Of unknown origin,

Tavius

American · from Tiberius

Tarius

Latin · of the Earth

Common questions about the name Thadius

What does the name Thadius mean?

Thadius means "Courageous heart." — a name rooted in USA tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.

How popular is the name Thadius?

Thadius is currently a distinctive and less common name as a boy name in the US and is becoming rarer and more distinctive, making it a unique choice that stands out.

What is the cultural origin of Thadius?

Thadius originates from USA tradition. USA names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.

Is Thadius a common or rare name?

Thadius is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.

What are good nicknames for Thadius?

Thadius naturally lends itself to affectionate nicknames. Shortened versions based on the first syllable are most popular, and many parents also create unique pet names that feel personal to their family.