Thadeus

Boy name

Thadeus has been given to 1,123 babies in the U.S. since 1912. It peaked in 1918.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

1,123

Peak year

1918 (27 babies)

Rank in 2025

Below top 1000

First recorded

1912

10-year trend

▼ -33%

Gender split

All boys

Names one letter away from Thadeus — alternate spellings parents actually use.

26,089 babies since 1880

Same primary gender, peaked around the same years, and roughly as common as Thadeus.

1,123 babies since 1913

1,125 babies since 1880

1,125 babies since 1910

1,119 babies since 1885

1,119 babies since 1893

1,129 babies since 1882

1,130 babies since 1880

1,130 babies since 1886

How popular is the name Thadeus?

Thadeus has been given to 1,123 babies in the U.S. since 1912. It ranked below the top 1000 in 2025.

When did the name Thadeus peak?

Thadeus peaked in 1918, when 27 babies were given the name.

Is Thadeus a girl or boy name?

Thadeus is primarily a boy name (100% of babies named Thadeus are boys).

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