Is Rilla a boy or girl name?

Rilla is a girl’s name. Of the 2,659 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Rilla

Recorded 1880–2025 · United States

Rilla was most popular in 1914, when 56 American babies were given the name — ranking #1,427 that year. In 2025 it ranked #20,040, with 7 births. Across 1880–2025 the Social Security Administration has recorded 2,659 people named Rilla.

Rilla over time

Births per year. The dot marks Rilla’s peak in 1914. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Rilla a boy’s or a girl’s name?

Across the whole record Rilla is a girl’s name — 100.0% of the 2,659 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 Rilla

Where Rilla is most concentrated

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

Explore further

See Rilla on the interactive charts

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