Thaddaeus

Recorded 1924–2025 · United States

Thaddaeus was most popular in 2005, when 29 American babies were given the name — ranking #7,756 that year. In 2025 it ranked #16,070, with 10 births. Across 1880–2025 the Social Security Administration has recorded 1,045 people named Thaddaeus.

Most popular in2005

Rank that year#7,756

Births that year29

Total since 18801,045

Given to100% boys

Thaddaeus over time

Births per year. The dot marks Thaddaeus’s peak in 2005. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Thaddaeus a boy’s or a girl’s name?

Across the whole record Thaddaeus is a boy’s name — 0.0% of the 1,045 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Thaddaeus

Explore further

See Thaddaeus on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org