Given name & surname
Marni
“woman of the sea”
Marni is a form of Marina. One Latin interpretation is “woman of the sea.”
Meaning & origin
What it means
In American use, Marni carries the interpretation “woman of the sea.” Marni is a form of Marina. One Latin interpretation is “woman of the sea.”
Combines direct and name-family evidence
Where it comes from
An origin associated with this spelling is American.
How it developed
Marni is used as a form of Marina.
The story
Published U.S. birth records include this spelling as early as 1946. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Marni through the years
- Babies since 1880
- 3,420
- 5 boys · 3,415 girls
- Most popular year
- 1969
- 253 babies
- 2025
- 29
- #4,718 for girls
- 2021–25 vs 2016–20
- +22%
- Rising
Where it’s given
By the numbers
In 2025, this name appeared in 29 U.S. birth records for girls, ranking No. 4,718 among girls’ names. Average annual use for girls was 21.5% higher in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 253 in 1969. In 2025, New York had the largest reported state-level birth count for girls with this name (5). Published U.S. population figures for this spelling include 3,179 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Marni’s family of names
Marni is a form of Marina. In English usage, Marni has a related form in Marnie. Marni has a related form in Marnie.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 14
Diminutives, pet forms, short forms and variants used alongside the name.
- Marnievariant · English
- Marniavariant
- Marnettavariant
- Marnettevariant
- Marnishavariant
- Marninavariant
- Marneyvariant
- Marnellvariant
Show 6 moreShow fewer
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
People named Marni
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Marni, these share its style, era, origin or sound, from outside its own family.
Tina
Tina is used as a given name and a surname. One English interpretation is “from the river; also shortened torm of names ending in -tina.”
>99% girls
Toni
“a flourishing man; from an ancient Roman family”
8% boys · 92% girls
Meryl
“resembling a blackbird” · “of the shining sea”
>99% girls
Spring
“refers to the season; born in spring”
>99% girls
Rainbow
“as colorful as the rainbow; symbolizing promise”
>99% girls
Colanda
“resembling the violet flower; modest”
>99% girls
September
“born in the month of September”
>99% girls
Cricket
“resembling a chirping insect of the night”
>99% girls