Is Thayer a boy or girl name?

Thayer is mostly a boy’s name. Of the 1,437 Americans recorded with the name since 1880, 5.5% were girls and 94.5% were boys.

Name Legacy

Thayer

Recorded 1912–2025 · United States

Thayer was most popular in 2014, when 52 American babies were given the name — ranking #5,443 that year. In 2025 it ranked #12,329, with 15 births. Across 1880–2025 the Social Security Administration has recorded 1,437 people named Thayer.

Thayer over time

Births per year. The dot marks Thayer’s peak in 2014. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Thayer a boy’s or a girl’s name?

Across the whole record Thayer is mostly a boy’s name — 5.5% of the 1,437 Americans given it were girls and 94.5% were boys. In births since 2016 it is 4% girls and 96% 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 Thayer

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See Thayer on the interactive charts

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