Allyn Boy & girl
How popular is Allyn?
#11,928 girl name in 2025
7 baby girls were named Allyn in the US in 2025, making it the 11928th most popular girl name.
3,510living people named Allyn (est.)
53median age of people named Allyn
5,138babies named Allyn since 1880
1 in 473,620US babies born in 2025
Allyn popularity over time
Boys Girls
| Rank in 2025 | #11,928 for girls (▲ 228 from 2024) |
|---|---|
| Babies in 2025 | 7 girls |
| 10-year trend | Falling fast (-67% babies vs 2015) |
| Earlier ranks | #6,034 in 2015, #9,541 in 2020 |
| Peak year | 1951 (89 girls) |
| Highest rank | #987 in 1951 |
| First recorded | 1918 |
| Boys vs girls (last 10 years) | 34% boys, 66% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Allyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Aylin family of names ranked #223 for girls in 2025 (#247 the year before), with 1,493 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Aylin | 885 | 59% |
| Ailyn | 169 | 11% |
| Aylen | 125 | 8% |
| Ailen | 86 | 6% |
| Aline | 44 | 3% |
| Ailin | 40 | 3% |
| Ailynn | 20 | 1% |
| Aylinn | 12 | 1% |
| Alaine | 11 | 1% |
| Ayline | 13 | 1% |
| Alin | 8 | 1% |
| Aylene | 15 | 1% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Allyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1910s | 7 | #3,867 |
| 1920s | 33 | #2,938 |
| 1930s | 40 | #3,427 |
| 1940s | 152 | #1,665 |
| 1950s | 413 | #987 |
| 1960s | 236 | #1,954 |
| 1970s | 112 | #3,894 |
| 1980s | 229 | #2,862 |
| 1990s | 292 | #2,864 |
| 2000s | 195 | #4,442 |
| 2010s | 153 | #5,251 |
| 2020s | 53 | #9,541 |
Girl names about as popular as Allyn
Questions
- Is Allyn a boy or girl name?
- Allyn is used for both. Over the last 10 years, 34% of babies named Allyn were boys and 66% were girls.
- How popular is the name Allyn?
- 7 baby girls were named Allyn in the US in 2025, making it the 11928th most popular girl name.
- When was Allyn most popular?
- Allyn peaked in 1951, when 89 girls were given the name. Its highest rank was #987 in 1951.
- How many people are named Allyn?
- 5,138 babies have been named Allyn in the US since 1880. We estimate about 3,510 of them are alive in 2026, with a median age of 53.
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.