Haidyn
Girl name · #3198 in 2025 · Very rare
How old is the name Haidyn? In official American birth records, Haidyn has been tracked continuously since 1993, giving it 32 years of documented American history.
In 2025, 50 baby girls were named Haidyn, placing it at #3198 in the official national rankings. A decade ago it stood at #2194, so the name has been falling over the past ten years. Roughly one in every 36,000 girls born in 2025 was named Haidyn.
Babies named Haidyn per year. Source: Official national birth records.
The 32-year story
Haidyn first appears in the Social Security records in 1993, when 5 girls received the name. Its peak came in 2010, when 167 girls were named Haidyn — good for #1384 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 Haidyn against up to 5 other names.
Uniqueness: will there be another Haidyn in class?
On our rarity read — which blends how common Haidyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Haidyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Haidyn is most common
State-level data for Haidyn 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 Haidyn
Statistically, parents drawn to Haidyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kamdyn, Camdyn, Landyn, Edyn, and Taelyn.
KamdynCamdynLandynEdynTaelynGracynDaelynKarmyn
Rank history (last 25 years)
| Year | Babies named Haidyn | Rank |
|---|---|---|
| 2025 | 50 | #3167 |
| 2024 | 45 | #3459 |
| 2023 | 58 | #2891 |
| 2022 | 63 | #2720 |
| 2021 | 71 | #2484 |
| 2020 | 64 | #2631 |
| 2019 | 94 | #2035 |
| 2018 | 134 | #1595 |
| 2017 | 119 | #1761 |
| 2016 | 115 | #1799 |
| 2015 | 86 | #2194 |
| 2014 | 93 | #2081 |
| 2013 | 101 | #1953 |
| 2012 | 115 | #1782 |
| 2011 | 110 | #1829 |
| 2010 | 167 | #1384 |
| 2009 | 160 | #1450 |
| 2008 | 150 | #1539 |
| 2007 | 103 | #1988 |
| 2006 | 52 | #3176 |
| 2005 | 61 | #2731 |
| 2004 | 55 | #2889 |
| 2003 | 33 | #4034 |
| 2002 | 31 | #4071 |
| 2001 | 36 | #3631 |
Frequently asked questions
How old is the name Haidyn?
In official American birth records, the name Haidyn first appeared in 1993 (over 32 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 32 years.
Is Haidyn a popular girl name?
Haidyn ranked #3198 among girls in 2025 with 50 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2194.
When was the name Haidyn most popular?
Haidyn peaked in 2010, when 167 American girls received the name (ranked #1384 that year). Since 2010 the name has declined from that high.
How rare is the name Haidyn?
In 2025, roughly 1 in 36,000 newborn American girls was named Haidyn. 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.