Is Sonnie a boy or girl name?

Sonnie is a unisex name. Of the 1,630 Americans recorded with the name since 1880, 46.1% were girls and 53.9% were boys. It changed hands in 2025, and has gone mainly to girls since.

Name Legacy

Sonnie

Recorded 1893–2025 · United States

Sonnie was most popular in 2023, when 42 American babies were given the name — ranking #6,346 that year. In 2025 it ranked #6,410, with 41 births. Across 1880–2025 the Social Security Administration has recorded 1,630 people named Sonnie.

Sonnie over time

Births per year. The dot marks Sonnie’s peak in 2023. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Sonnie a boy’s or a girl’s name?

Across the whole record Sonnie is a unisex name — 46.1% of the 1,630 Americans given it were girls and 53.9% were boys. It changed hands: since 2025 it has gone mainly to girls, having gone mainly to boys before that. In births since 2016 it is 57% girls and 43% 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 Sonnie

Explore further

See Sonnie on the interactive charts

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