Is Lyndsy a boy or girl name?

Lyndsy is a girl’s name. Of the 622 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Lyndsy

Recorded 1976–2008 · United States

Lyndsy was most popular in 1982, when 48 American babies were given the name — ranking #3,331 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 622 people named Lyndsy.

Lyndsy over time

Births per year. The dot marks Lyndsy’s peak in 1982. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Lyndsy a boy’s or a girl’s name?

Across the whole record Lyndsy is a girl’s name — 100.0% of the 622 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 Lyndsy

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See Lyndsy on the interactive charts

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