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Neptune

#9,449 in 2025Boys' name

Possibly wet, damp, clouds

Neptune has been given to 24 babies in the U.S. since 2021. In 2025 it ranked #9,449 of 13,926 boys’ names in use. Its peak year was 2022, with 9 recorded.

Babies named Neptune, 2025

1 in 414,000

Neptune over time, 1880–2025

Boys
02.557.51018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Neptune: meaning, origin, and history

Possibly wet, damp, clouds

Deeper origin not confirmed in the cited records

What Neptune means

Neptune may mean “wet, damp, clouds”.

American usage and historical context

In the United States, 24 boys were recorded with the name Neptune between 2021 and 2025. Its highest annual count was 9 in 2022; its best national rank was #8,780 in 2022.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

How common is Neptune?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 414,000
8 of 3,315,165 births
Among boys only
1 in 213,000
<0.01% of boys
Rank, 2025
#9,449
of 13,926 boys’ names in use
Coin-flip room size
287,238 kids
Even odds of a second one

Where Neptune sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 287,238 children born in 2025 and it's an even bet that one of them is another Neptune. In a class of 30 the chance is Under 1%.

When Neptunes were born

Half of everyone ever recorded as Neptune was born before 2022 — so the typical Neptune is around 3 today.

Median birth year
2022
About 3 years old
Biggest decade
2020s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
24
People you could plausibly meet
Choose a decade

2020s — 100.0% of all recorded uses (24).

Is Neptune rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
88.9%
Peak was 2022 (9)
Years since peak
3
Years
Year-to-year steadiness
Volatile
28.6% average annual change
Best rank ever
#8,780
2022

Neptune around the world

Where Neptune ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • South Australia
    2005–2005
    #643
    in 2005

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Neptune by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#9,449
Trend vs 5 yrs ago
New entry
Best rank ever
#8,780
2022
Peak year
2022
9 that year
First recorded
2021
Last recorded
2025
All-time count
24
Count in 2025
8

Names similar to Neptune

Matched on shared beginnings and endings, similar length, and comparable popularity.

NeptaliNepoleonAliouneLajauneFortuneDeshauneNephtaliLejeuneDameyuneAntwauneNephiDuneDauneEuguneShauneRuneJune

Sibling names for Neptune

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Neptune

Top names of 2022, Neptune's peak yearThe 2020s in fullOther names that peaked in 2022Boys' names starting with NAncient Names Outside the Top 1000Roman Mythology Names