Is Sully a boy or girl name?

Sully is a unisex name. Of the 1,050 Americans recorded with the name since 1880, 35.2% were girls and 64.8% were boys. It changed hands in 2006, and has gone mainly to boys since.

Name Legacy

Sully

Recorded 1980–2025 · United States

Sully was most popular in 2011, when 47 American babies were given the name — ranking #5,862 that year. In 2025 it ranked #6,410, with 41 births. Across 1880–2025 the Social Security Administration has recorded 1,050 people named Sully.

Sully over time

Births per year. The dot marks Sully’s peak in 2011. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Sully a boy’s or a girl’s name?

Across the whole record Sully is a unisex name — 35.2% of the 1,050 Americans given it were girls and 64.8% were boys. It changed hands: since 2006 it has gone mainly to boys, having gone mainly to girls before that. In births since 2016 it is 22% girls and 78% 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 Sully

Where Sully is most concentrated

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

California 3.9×

Explore further

See Sully on the interactive charts

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