Is Nilsa a boy or girl name?

Nilsa is a girl’s name. Of the 1,809 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Nilsa

Recorded 1946–2025 · United States

Nilsa was most popular in 1960, when 76 American babies were given the name — ranking #2,050 that year. In 2025 it ranked #24,763, with 5 births. Across 1880–2025 the Social Security Administration has recorded 1,809 people named Nilsa.

Nilsa over time

Births per year. The dot marks Nilsa’s peak in 1960. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Nilsa a boy’s or a girl’s name?

Across the whole record Nilsa is a girl’s name — 100.0% of the 1,809 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 Nilsa

Where Nilsa is most concentrated

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

Explore further

See Nilsa on the interactive charts

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