Is Lilli a boy or girl name?

Lilli is a girl’s name. Of the 3,383 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Lilli

Recorded 1912–2025 · United States

Lilli was most popular in 2006, when 174 American babies were given the name — ranking #2,349 that year. In 2025 it ranked #6,835, with 37 births. Across 1880–2025 the Social Security Administration has recorded 3,383 people named Lilli.

Lilli over time

Births per year. The dot marks Lilli’s peak in 2006. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Lilli a boy’s or a girl’s name?

Across the whole record Lilli is a girl’s name — 100.0% of the 3,383 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 Lilli

Where Lilli is most concentrated

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

Explore further

See Lilli on the interactive charts

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