An
Girl name · #3997 in 2025 · Very rare
How old is the name An? In official American birth records, An has been tracked continuously since 1946, giving it 79 years of documented American history.
An is currently the #3997 girl name in the United States — 36 babies received it in 2025. A decade ago it stood at #3389, so the name has been falling over the past ten years. Roughly one in every 50,000 girls born in 2025 was named An.
Babies named An per year. Source: Official national birth records.
The 79-year story
An first appears in the Social Security records in 1946, when 6 girls received the name. Its peak came in 2010, when 47 girls were named An — good for #3409 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 An against up to 5 other names.
Uniqueness: will there be another An in class?
On our rarity read — which blends how common An is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your An will likely be the only one in the room, with the occasional spelling-out as the price.
Where An is most common
State-level data for An 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 An
Statistically, parents drawn to An tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Arlyn, Rian, Kylan, Aaryn, and Lian.
ArlynRianKylanAarynLianAuburnHananEman
Rank history (last 25 years)
| Year | Babies named An | Rank |
|---|---|---|
| 2025 | 36 | #3975 |
| 2024 | 32 | #4387 |
| 2023 | 40 | #3763 |
| 2022 | 33 | #4295 |
| 2021 | 24 | #5237 |
| 2020 | 35 | #4005 |
| 2019 | 31 | #4437 |
| 2018 | 41 | #3677 |
| 2017 | 30 | #4576 |
| 2016 | 46 | #3411 |
| 2015 | 47 | #3389 |
| 2014 | 33 | #4350 |
| 2013 | 33 | #4336 |
| 2012 | 30 | #4707 |
| 2011 | 28 | #4915 |
| 2010 | 47 | #3409 |
| 2009 | 29 | #4931 |
| 2008 | 29 | #5013 |
| 2007 | 32 | #4567 |
| 2006 | 23 | #5709 |
| 2005 | 29 | #4581 |
| 2004 | 37 | #3819 |
| 2003 | 30 | #4307 |
| 2002 | 21 | #5444 |
| 2001 | 24 | #4834 |
Frequently asked questions
How old is the name An?
In official American birth records, the name An first appeared in 1946 (over 79 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 79 years.
Is An a popular girl name?
An ranked #3997 among girls in 2025 with 36 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3389.
When was the name An most popular?
An peaked in 2010, when 47 American girls received the name (ranked #3409 that year). Since 2010 the name has declined from that high.
How rare is the name An?
In 2025, roughly 1 in 50,000 newborn American girls was named An. 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.