Is Thelda a boy or girl name?

Thelda is a girl’s name. Of the 521 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Thelda

Recorded 1902–1955 · United States

Thelda was most popular in 1926, when 32 American babies were given the name — ranking #2,562 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 521 people named Thelda.

Thelda over time

Births per year. The dot marks Thelda’s peak in 1926. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Thelda a boy’s or a girl’s name?

Across the whole record Thelda is a girl’s name — 100.0% of the 521 Americans given it were girls and 0.0% were 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 Thelda

Explore further

See Thelda on the interactive charts

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