Given name
Idunn
“wave”
Idunn is a feminine given name from Old Norse, meaning “wave.” It is used in Norwegian Nynorsk.
Meaning & origin
How it developed
From Old Norse Iðunnr, built from Old Norse ið + unnr.
Adapted from Wiktionary (CC BY-SA 4.0)
The story
Published U.S. birth records include this spelling as early as 2025. This is the earliest published observation available here, rather than a date for the name’s origin. Idunn is a variant of Idun. The history of Idun gives this family its wider story. In mythological stories, Idun is associated with the goddess of youth, fertility, and death.
Combines direct and name-family evidence
Idunn through the years
- Babies since 1880
- 6
- 0 boys · 6 girls
- Most popular year
- 2025
- 6 babies
- 2025
- 6
- #13,854 for girls
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
In 2025, this name appeared in 6 U.S. birth records for girls, ranking No. 13,854 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Idunn’s family of names
In Norwegian Nynorsk usage, Idunn shares a linguistic root with the Faroese form Íðunn. Idunn has a related form in Idun.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Idunn, these share its style, era, origin or sound, from outside its own family.
Sif
“bride, wife”
>99% girls
Atla
“fierce”
>99% girls
Radha
Radha carries several Sanskrit naming contexts, including the central figure of a major devotional poem.
>99% girls
Eira
“relief”
>99% girls
Signy
“a newly victorious woman”
>99% girls
Hestia
>99% girls
Revna
“raven”
>99% girls
Ixchell
>99% girls