Is Billi a boy or girl name?

Billi is a girl’s name. Of the 1,746 Americans recorded with the name since 1880, 99.7% were girls and 0.3% were boys.

Billi

Recorded 1915–2020 · United States

Billi was most popular in 1976, when 84 American babies were given the name — ranking #2,124 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,746 people named Billi.

Billi over time

Births per year. The dot marks Billi’s peak in 1976. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Billi a boy’s or a girl’s name?

Across the whole record Billi is a girl’s name — 99.7% of the 1,746 Americans given it were girls and 0.3% 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 Billi

Where Billi is most concentrated

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

Explore further

See Billi on the interactive charts

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