Is Thedore a boy or girl name?

Thedore is a boy’s name. Of the 1,136 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Name Legacy

Thedore

Recorded 1902–2022 · United States

Thedore was most popular in 1929, when 34 American babies were given the name — ranking #2,334 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,136 people named Thedore.

Thedore over time

Births per year. The dot marks Thedore’s peak in 1929. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Thedore a boy’s or a girl’s name?

Across the whole record Thedore is a boy’s name — 0.0% of the 1,136 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 Thedore

Explore further

See Thedore on the interactive charts

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