Is Cydni a boy or girl name?

Cydni is a girl’s name. Of the 590 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Cydni

Recorded 1960–2021 · United States

Cydni was most popular in 1996, when 37 American babies were given the name — ranking #5,212 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 590 people named Cydni.

Cydni over time

Births per year. The dot marks Cydni’s peak in 1996. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Cydni a boy’s or a girl’s name?

Across the whole record Cydni is a girl’s name — 100.0% of the 590 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% 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 Cydni

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See Cydni on the interactive charts

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