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The first name Marni

A girl’s name.

2 syllables Female

Meaning and origin

A female given name spelling variant of Marnie

A form of Marnie.

From Wiktionary (CC BY-SA 4.0).

Popularity

Babies registered in England and Wales, 1996–2025

In 2025, 21 girls were named Marni, making it the 1,454th most popular girls’ name. It peaked in 2014, with 48 births (#802).

02550 1996200020052010201520202025
876
babies named Marni, 1996–2025
#1,454
rank in 2025
2014
peak year

Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Marni with other names.

Popularity in the United States

Babies named Marni at birth, 1880–2025

In 2025, 29 girls born in the United States were named Marni, the 4,718th most popular girls’ name that year. It was used most in 1969, when 253 were.

0150300 188018851890189519001905191019151920192519301935194019451950195519601965197019751980198519901995200020052010201520202025
3,420
babies named Marni since 1880
#4,718
rank in 2025
1969
peak year

US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

Famous people named Marni

1 on Wikidata, most written-about first

  • Marni Nixon
    American singer and actress (1930-2016)

Questions

How popular is the name Marni?
In 2025, 21 girls born in England and Wales were named Marni, ranking 1,454th. Its peak was 2014, with 48 births.
Is Marni a boy's or a girl's name?
Mostly a girl's name: 100% of the 3,420 US babies named Marni since 1880 were girls.
When was Marni most popular?
1969 in the United States, when 253 babies were named Marni, its highest rank at 625th.
What name is Marni a form of?
Marni is a form of Marnie.