Given name

Nyx

Nyx is used as a given name.

Meaning & origin

Where it comes from

An origin associated with this spelling is Greek.

The story

In mythological stories, Nyx is associated with the goddess of night.

Nyx through the years

Babies since 1880
673
138 boys · 535 girls
Most popular year
2022
109 babies
2025
95
#2,577 for girls · #4,015 for boys
2021–25 vs 2016–20
+212%
Rising fast
Boys Girls
02040602025Highest share 2022Boys 16Girls 42
Nyx in U.S. Social Security birth records, 2008–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Boys, girls and both

The balance of boys and girls given this name has shifted over time. Recent births are 22% boys.

Boys Girls
0%50%100%2020
Five-year rolling share of U.S. births. Blank stretches had too few births to read.

Where it’s given

Most at home inWashington, Pennsylvania, California
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: Washington (5), Pennsylvania (6), California (5).

By the numbers

In 2025, this name appeared in 68 U.S. birth records for girls, ranking No. 2,577 among girls’ names. Average annual use for girls was 175.8% higher in 2021–2025 than in 2016–2020. It also appeared in 27 birth records for boys in 2025. In 2025, Pennsylvania had the largest reported state-level birth count for girls with this name (6).

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Nyx’s family of names

Nyx has a related form in Nyxe. Nyx has a related form in Nyxea. Nyx has a related form in Nyxee.

Walk Nyx’s family in the name graph

NyxNyxieNyxiNyxeaNyxeNyxee

The ring: nicknames and forms.

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 5

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

Similar names

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

Greek · Modern

Theia

“a goddess”

39RareSteady

>99% girls

Greek · Modern

Siren

Siren is a surname from Swedish. It is used in Finnish.

17Very rareRising

4% boys · 96% girls

Greek · Modern

Hestia

16Very rareRising fast

>99% girls

Greek · Modern

Maera

“shining”

0Not recently recorded

>99% girls

Greek · Modern

Ismene

Ismene is a feminine given name from Ancient Greek.

0Not recently recorded

>99% girls

Greek · Modern

Adonia

“God is my lord”

11Very rare

>99% girls

Hindi · Modern

Radha

Radha carries several Sanskrit naming contexts, including the central figure of a major devotional poem.

34RareRising

>99% girls

Greek · Modern

Nefeli

“cloud”

19Very rareRising fast

>99% girls

Sibling ideas

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

A brother for Nyx

A sister for Nyx