Moon
Girl name · #3112 in 2025 · Very rare
How old is the name Moon? In official American birth records, Moon has been tracked continuously since 1972, giving it 53 years of documented American history.
Moon is currently the #3112 girl name in the United States — 52 babies received it in 2025. A decade ago it stood at #11835, so the name has been rising over the past ten years. Roughly one in every 34,615 girls born in 2025 was named Moon.
Babies named Moon per year. Source: Official national birth records.
The 53-year story
Moon first appears in the Social Security records in 1972, when 6 girls received the name. Its all-time peak is essentially right now: 2022, with 73 babies and a rank of #2463. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Moon against up to 5 other names.
Uniqueness: will there be another Moon in class?
On our rarity read — which blends how common Moon is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Moon will likely be the only one in the room, with the occasional spelling-out as the price.
Where Moon is most common
State-level data for Moon is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Moon
Statistically, parents drawn to Moon tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Maeven, Mulan, Maevyn, Mayven, and Lemon.
MaevenMulanMaevynMayvenLemonRennHalstonMaven
Rank history (last 25 years)
| Year | Babies named Moon | Rank |
|---|---|---|
| 2025 | 52 | #3100 |
| 2024 | 47 | #3335 |
| 2023 | 53 | #3091 |
| 2022 | 73 | #2463 |
| 2021 | 47 | #3339 |
| 2020 | 28 | #4648 |
| 2019 | 25 | #5163 |
| 2018 | 30 | #4562 |
| 2017 | 22 | #5661 |
| 2016 | 7 | #12876 |
| 2015 | 8 | #11835 |
| 2014 | 8 | #11931 |
| 2013 | 8 | #11969 |
| 2009 | 6 | #15242 |
| 2005 | 5 | #16462 |
| 2001 | 6 | #13521 |
| 2000 | 7 | #11801 |
| 1987 | 6 | #9825 |
| 1983 | 5 | #10275 |
| 1979 | 5 | #10210 |
| 1977 | 5 | #9652 |
| 1975 | 6 | #7984 |
| 1972 | 6 | #7292 |
Frequently asked questions
How old is the name Moon?
In official American birth records, the name Moon first appeared in 1972 (over 53 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 53 years.
Is Moon a popular girl name?
Moon ranked #3112 among girls in 2025 with 52 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #11835.
When was the name Moon most popular?
Moon peaked in 2022, when 73 American girls received the name (ranked #2463 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Moon?
In 2025, roughly 1 in 34,615 newborn American girls was named Moon. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.