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Dagny

♀ Girl

Pronounced DAG-nee /ˈdæɡ.ni/High

Meaning: From Old Norse dagr, 'day', plus ny, 'new'; 'a new day; bright as the day'Medium

In 30 seconds: A new day; bright as day: Dagny is Norse for 'a new day'. Crisp, bright, and warm.

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Origin MediumNorse, Scandinavian

MeaningFrom Old Norse dagr, 'day', plus ny, 'new'; 'a new day; bright as the day'

U.S. rank (2025)#5279 ↗ Rising

2025 U.S. births24 girls (0.00% of U.S. girls)

Peak year2013

Total births (all-time)≈ 1,704

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Dagny comes from Old Norse dagr, 'day', plus ny, 'new' — 'a new day; bright as the day'. A crisp, bright name across Scandinavia (and a heroine of Ayn Rand's Atlas Shrugged; said 'DAG-nee'; nickname Dag).

In the U.S. it appears in Scandinavian families. Rare, a-new-day at the root, and bright.

Did you know? Dagny joins the Old Norse dagr, 'day', with ny, 'new' — 'a new day; bright as the day' — a crisp, bright Scandinavian name (said 'DAG-nee').

Overall data confidence 65%

Behind the Name — Dagny — root etymology

Variations

DagneDagna

Nicknames

Dag

Famous Bearers

Famous bearers coming soon.

If you like Dagny…

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Dusty— lands in the same popularity range

Explore names like Dagny

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Frequently Asked

What does the name Dagny mean?

Dagny is Norse for 'a new day; bright as the day'.

How do you pronounce Dagny?

It's said DAG-nee /ˈdæɡ.ni/ — two syllables, stress on the first.

Is Dagny a boy or girl name?

Dagny is a girl's name.

How popular is Dagny?

Dagny is a rare name in the U.S.