Neptune
Neptune is the eighth and farthest known planet orbiting the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth. Compared to Uranus, its neighbouring ice giant, Neptune is slightly smaller, but more massive and dense.
- Roman Mythology
Meaning & Origin of Neptune
What this name means, where it came from, and how it has traveled across cultures.
Neptune is the eighth and farthest known planet orbiting the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth. Compared to Uranus, its neighbouring ice giant, Neptune is slightly smaller, but more massive and dense.
Source: Wikipedia (CC BY-SA 3.0). Read more →
Cultural Origins (via Behind the Name)
- Roman Mythology
The Story of Neptune
Neptune first appeared in U.S. Social Security Administration records as a baby boy name in 2021, with 7 babies given the name that year. The name hit its high-water mark in 2022: 9 births, good for #8,294 nationwide. Neptune last appeared in the published SSA data in 2022, with 9 recorded births — it has not charted nationally since. All told, over 16 Americans have carried the name since 1880, from the 2020s to the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Neptune
Foreign forms, alternate spellings, and nicknames that share roots with Neptune. Linked entries have a profile on Peek a Name.
- Neptunus
Names that sound like Neptune
Phonetically similar names — useful when Neptune is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Neptune
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About the name Neptune
Neptune is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2021 and has accumulated 16 births in the dataset. Neptune's peak popularity came in 2022 when it ranked #8,294. Use the chart and map above to compare Neptune's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2022 →
- Names of the 2020s →
- Names starting with "N" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.