Kiernan

Unisex

Kiernan has been given to 2,448 babies in the U.S. since 1957. It peaked in 2008.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

2,448

Peak year

2008 (104 babies)

Rank in 2025

Below top 1000

First recorded

1957

10-year trend

▼ -16%

Gender split

28% girls / 72% boys

Names one letter away from Kiernan — alternate spellings parents actually use.

19,218 babies since 1918

Same primary gender, peaked around the same years, and roughly as common as Kiernan.

2,447 babies since 1977

2,446 babies since 1920

2,426 babies since 1906

2,426 babies since 1987

2,472 babies since 1989

2,424 babies since 1961

2,422 babies since 1915

2,421 babies since 1976

How popular is the name Kiernan?

Kiernan has been given to 2,448 babies in the U.S. since 1957. It ranked below the top 1000 in 2025.

When did the name Kiernan peak?

Kiernan peaked in 2008, when 104 babies were given the name.

Is Kiernan a girl or boy name?

Kiernan is a unisex name, used for both girls and boys.

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