Adelyn Girl
How popular is Adelyn?
#355 girl name in 2025
851 baby girls were named Adelyn in the US in 2025, making it the 355th most popular girl name.
Adelyn popularity over time
Boys Girls
| Rank in 2025 | #355 for girls (▼ 41 from 2024) |
|---|---|
| Babies in 2025 | 851 girls |
| 10-year trend | Falling (-49% babies vs 2015) |
| Earlier ranks | #196 in 2015, #238 in 2020 |
| Peak year | 2015 (1,680 girls) |
| Highest rank | #194 in 2016 |
| First recorded | 1899 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.6% in a class of 25 kids born in 2025 |
Adelyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Adeline family of names ranked #10 for girls in 2025 (#8 the year before), with 11,089 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Adeline | 3,864 | 35% |
| Adalynn | 1,683 | 15% |
| Adalyn | 1,192 | 11% |
| Adaline | 1,446 | 13% |
| Adelyn | 851 | 8% |
| Adelynn | 693 | 6% |
| Addilyn | 256 | 2% |
| Addilynn | 136 | 1% |
| Adilynn | 77 | 1% |
| Adilene | 125 | 1% |
| Addalyn | 84 | 1% |
| Addalynn | 52 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Adelyn is most popular
Babies named Adelyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Nevada: 1.4 per 1,000 (66 girls)
- Alaska: 1.3 per 1,000 (11 girls)
- New Hampshire: 1.2 per 1,000 (23 girls)
- Colorado: 1.0 per 1,000 (116 girls)
- New Mexico: 1.0 per 1,000 (25 girls)
Adelyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1890s | 5 | #1,595 |
| 1900s | 14 | #1,607 |
| 1910s | 136 | #1,533 |
| 1920s | 140 | #1,927 |
| 1930s | 68 | #2,438 |
| 1940s | 45 | #3,206 |
| 1950s | 5 | #5,826 |
| 1980s | 41 | #7,745 |
| 1990s | 242 | #2,690 |
| 2000s | 2,529 | #408 |
| 2010s | 13,973 | #194 |
| 2020s | 6,414 | #238 |
Girl names about as popular as Adelyn
Questions
- Is Adelyn a boy or girl name?
- Adelyn is mostly a girl name. Over the last 10 years, 100% of babies named Adelyn were girls.
- How popular is the name Adelyn?
- 851 baby girls were named Adelyn in the US in 2025, making it the 355th most popular girl name.
- When was Adelyn most popular?
- Adelyn peaked in 2015, when 1,680 girls were given the name. Its highest rank was #194 in 2016.
- How many people are named Adelyn?
- 23,618 babies have been named Adelyn in the US since 1880. We estimate about 23,134 of them are alive in 2026, with a median age of 10.
- Where is Adelyn most popular?
- From 2021 to 2025, Adelyn was most common in Nevada, at 1.4 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.