Is Niamh a boy or girl name?

Niamh is a girl’s name. Of the 1,617 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Niamh

Recorded 1969–2025 · United States

Niamh was most popular in 2008, when 74 American babies were given the name — ranking #4,403 that year. In 2025 it ranked #6,196, with 43 births. Across 1880–2025 the Social Security Administration has recorded 1,617 people named Niamh.

Niamh over time

Births per year. The dot marks Niamh’s peak in 2008. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Niamh a boy’s or a girl’s name?

Across the whole record Niamh is a girl’s name — 100.0% of the 1,617 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 Niamh

Where Niamh is most concentrated

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

Explore further

See Niamh on the interactive charts

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