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.

Compare with other names
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

050100 18801900192019401960198020002020

Boys Girls

Rank in 2025#11,928 for girls (▲ 228 from 2024)
Babies in 20257 girls
10-year trendFalling fast (-67% babies vs 2015)
Earlier ranks#6,034 in 2015, #9,541 in 2020
Peak year1951 (89 girls)
Highest rank#987 in 1951
First recorded1918
Boys vs girls (last 10 years)34% boys, 66% girls
Chance a classmate shares it0.0% 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.

SpellingGirls in 2025Share
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

DecadeBaby girlsBest rank
1910s7#3,867
1920s33#2,938
1930s40#3,427
1940s152#1,665
1950s413#987
1960s236#1,954
1970s112#3,894
1980s229#2,862
1990s292#2,864
2000s195#4,442
2010s153#5,251
2020s53#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.