Is Sianni a boy or girl name?

Sianni is a girl’s name. Of the 574 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Sianni

Recorded 1996–2025 · United States

Sianni was most popular in 2025, when 128 American babies were given the name — ranking #2,989 that year. In 2025 it ranked #2,989, with 128 births. Across 1880–2025 the Social Security Administration has recorded 574 people named Sianni.

Sianni over time

Births per year. The dot marks Sianni’s peak in 2025. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Sianni a boy’s or a girl’s name?

Across the whole record Sianni is a girl’s name — 100.0% of the 574 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 Sianni

Where Sianni is most concentrated

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

Pennsylvania 7.9×

Explore further

See Sianni on the interactive charts

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