Given name · also Old Norse

Dagny

“born on a bright new day”

Dagny is used as a given name. One interpretation is “born on a bright new day.”

Original Old NorseDagný

Meaning & origin

What it means

One interpretation is “born on a bright new day.”

Where it comes from

An origin associated with this spelling is Old Norse.

How it developed

Its Old Norse formation brings together dag (“day”) and ný (“new”).

The story

Published U.S. birth records include this spelling as early as 1893. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Dagny through the years

Babies since 1880
1,704
0 boys · 1,704 girls
Most popular year
2013
81 babies
2025
24
#5,279 for girls
2021–25 vs 2016–20
−32%
Easing
02040601900192019401960198020002025Highest share 190115
Dagny in U.S. Social Security birth records, 1893–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 24 U.S. birth records for girls, ranking No. 5,279 among girls’ names. Average annual use for girls was 32.4% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 81 in 2013. Published U.S. population figures for this spelling include 1,234 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.

Dagny’s family of names

Dagny has a related form in Dag. Dagny has a related form in Dagne. Dagny has a related form in Dagna.

Walk Dagny’s family in the name graph

DagnyDagneDagneyDagDagnaDagniDagniaDagneaDagneeDagnieDagnnyDagneahDagnijaDagný

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 11

Diminutives, pet forms, short forms and variants used alongside the name.

Show 3 moreShow fewer

Across languages 2

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Dagny, these share its style, era, origin or sound, from outside its own family.

Old Norse · Modern

Arni

“resembling an eagle”

0Not recently recorded

>99% girls

Norse · Modern

Beyla

Beyla is a feminine given name. It is used in Old Norse.

15Very rareRising

>99% girls

Old Norse · Modern

Brynja

Brynja is a feminine given name. It is used in Faroese and Icelandic.

11Very rareEasing

>99% girls

Norse

Solveig

“the strength of the house”

21RareRising

>99% girls

American · Modern

Saga

“a storyteller”

21RareRising

>99% girls

Norse · Modern

Torunn

“thor's love”

0Not recently recordedCooling

>99% girls

Germanic · Modern

Atla

“fierce”

0Not recently recorded

>99% girls

Old Norse

Frida

“a peaceful ruler”

43UncommonCooling

>99% girls

Sibling ideas

Names that share Dagny’s feel without repeating its first letter or rhyming with it.

A brother for Dagny

A sister for Dagny