Joslyn
Girl name · #2727 in 2025 · Very rare
How old is the name Joslyn? In official American birth records, Joslyn has been tracked continuously since 1930, giving it 95 years of documented American history.
In 2025, 63 baby girls were named Joslyn, placing it at #2727 in the official national rankings. A decade ago it stood at #869, so the name has been falling over the past ten years. Roughly one in every 28,571 girls born in 2025 was named Joslyn.
Babies named Joslyn per year. Source: Official national birth records.
The 95-year story
Joslyn first appears in the Social Security records in 1930, when 5 girls received the name. Its peak came in 2010, when 461 girls were named Joslyn — good for #640 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 Joslyn against up to 5 other names.
Uniqueness: will there be another Joslyn in class?
On our rarity read — which blends how common Joslyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Joslyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Joslyn is most common
State-level data for Joslyn 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 Joslyn
Statistically, parents drawn to Joslyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jaylyn, Jaelyn, Jailyn, Jadelyn, and Jazzlyn.
JaylynJaelynJailynJadelynJazzlynKailynCailynJoselyn
Rank history (last 25 years)
| Year | Babies named Joslyn | Rank |
|---|---|---|
| 2025 | 63 | #2719 |
| 2024 | 83 | #2248 |
| 2023 | 104 | #1903 |
| 2022 | 125 | #1677 |
| 2021 | 156 | #1398 |
| 2020 | 176 | #1271 |
| 2019 | 224 | #1099 |
| 2018 | 239 | #1065 |
| 2017 | 285 | #928 |
| 2016 | 282 | #960 |
| 2015 | 321 | #869 |
| 2014 | 319 | #862 |
| 2013 | 385 | #717 |
| 2012 | 416 | #676 |
| 2011 | 448 | #636 |
| 2010 | 461 | #640 |
| 2009 | 432 | #673 |
| 2008 | 420 | #710 |
| 2007 | 420 | #693 |
| 2006 | 399 | #714 |
| 2005 | 372 | #727 |
| 2004 | 323 | #789 |
| 2003 | 317 | #779 |
| 2002 | 294 | #796 |
| 2001 | 210 | #1025 |
Frequently asked questions
How old is the name Joslyn?
In official American birth records, the name Joslyn first appeared in 1930 (over 95 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 95 years.
Is Joslyn a popular girl name?
Joslyn ranked #2727 among girls in 2025 with 63 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #869.
When was the name Joslyn most popular?
Joslyn peaked in 2010, when 461 American girls received the name (ranked #640 that year). Since 2010 the name has declined from that high.
How rare is the name Joslyn?
In 2025, roughly 1 in 28,571 newborn American girls was named Joslyn. 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.