Is Cyndi a boy or girl name?

Cyndi is a girl’s name. Of the 3,568 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Cyndi

Recorded 1946–2024 · United States

Cyndi was most popular in 1959, when 230 American babies were given the name — ranking #1,154 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 3,568 people named Cyndi.

Cyndi over time

Births per year. The dot marks Cyndi’s peak in 1959. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Cyndi a boy’s or a girl’s name?

Across the whole record Cyndi is a girl’s name — 100.0% of the 3,568 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 Cyndi

Where Cyndi is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Cyndi on the interactive charts

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