MallowbyNames

Thaddeus

THAD-ee-us · Gift of God, or possibly heart.

2025 rank (boys)
#797
Babies named in 2025
314
Peak popularity
1918
2025 frequency
1 in 5,440 boys
Usually for
Boys
Trend
Rising since 2004

A 1910s favorite, climbing again.

Popularity of Thaddeus since 1880

Babies named Thaddeus per year in U.S. Social Security records. Raw births topped out in 2016, but relative to how few babies were recorded back then, Thaddeus's real moment was 1918.

1392774161880192019602000Most births 2016Boys
Data table (by decade)
DecadeBoys
1880s111
1890s93
1900s155
1910s1,793
1920s2,421
1930s1,214
1940s1,427
1950s2,192
1960s2,101
1970s2,890
1980s2,399
1990s2,361
2000s2,050
2010s3,090
2020s1,760

Meaning & origin

Thaddeus has a long history as a biblical name, belonging to one of the twelve apostles. Despite its ancient roots, it has never been a top-tier choice in the U.S. Its peak year in popularity was 1918, reflecting a period when traditional, scriptural names were more common. In recent decades, Thaddeus has experienced a revival, with a steady rise in usage since 2004. The name is most frequently given in states like Nebraska, Idaho, and Kansas, suggesting a particular appeal in the Midwest and Plains regions. With its strong historical ties and distinctive sound, Thaddeus offers a classic option for parents seeking a name with depth and substance.

Thaddeus derives from the Aramaic name Thaddai, meaning "heart" or "courageous heart." In the New Testament, Thaddeus is one of the twelve apostles, often identified with Jude. The name has been used in Christian contexts for centuries, though it has never been among the most common names in the English-speaking world.

Where Thaddeus is most popular

Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k boystoo few births

Nicknames & variants

Nicknames: Thad, Tad, Taddy

Variants: Thaddaeus, Thaddäus

Sibling names for Thaddeus

Names that share Thaddeus's style, for a brother or sister.

Names like Thaddeus

Names whose popularity has moved with Thaddeus's over the last 50 years.

A parent animal hugging its little one, the personalized name page

T is for Thaddeus, our favorite little boy.

T is for Thaddeus…”

In a Mallowby alphabet book, Thaddeus's letter becomes Thaddeus's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Thaddeus's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Thaddeus mean?
Thaddeus is generally understood to mean "gift of God," though it possibly derives from an Aramaic word meaning "heart."
How popular is Thaddeus today?
As of 2025, Thaddeus ranked 797 in the U.S., with approximately 1 in every 5,440 baby boys receiving the name.
Is Thaddeus a boy name or a girl name?
Thaddeus is almost exclusively used as a masculine name.