Ailyn
Ailyn was the 1318th most popular name for girls in 2025, given to 169 babies. Its best year was 2012, when it ranked 1044th with 241 babies. Over the last ten years it has moved down 223 places. More babies were named Ailyn in the 2010s than in any other decade.
Meaning (as Aylin) Origin uncertain · Turkish
- Rank in 2025
- #1,318 girls, down 87 places since 2020
- Babies in 2025
- 169girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2012241 babies
- Total since 1880
- 4,490babies recorded
What does the name Ailyn mean?
Ailyn is a spelling of Aylin, pronounced the same way, so it shares Aylin's meaning and origin.
Aylin is a Turkish girl's name built on ay, "moon". It is often explained as "moon halo" or "moonlight", but the exact formation is not documented in the sources consulted. In the US it is also used in Spanish-speaking families, where it may be heard as a form of Eileen. It appears in US records from the 1970s.
ay (Turkish, “moon”)
How sure is this? Uncertain. The 'moon' element is likely; the full meaning is not documented here.
Other explanations you may read: means 'halo around the moon'.
Related names: Ayla, Eileen, Aileen.
Sources for this meaning
- Wiktionary, entry 'ay', Wiktionary (Wikimedia Foundation)
- US Social Security Administration, national baby-name data 1880-2025 (usage history only), US Social Security Administration
Ailyn popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #1,318 | 169 |
| 2020 | #1,231 | 185 |
| 2010 | #1,234 | 195 |
| 2000 | #2,142 | 75 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Ailyn, counting every spelling?
Ailyn is a spelling of Aylin, a name family that ranked #220 for girls in 2025 once every spelling is counted together, compared with #1,318 for Ailyn on its own. Together these spellings went to 1,584 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Aylin | 885 | #345 | 3,892 |
| Ailyn | 169 | #1,318 | 789 |
| Aylen | 125 | #1,655 | 474 |
| Ailen | 86 | #2,154 | 321 |
| Aelin | 107 | #1,855 | 317 |
| Ailin | 40 | #3,715 | 151 |
| Ailynn | 20 | #5,921 | 141 |
| Eilyn | 30 | #4,585 | 106 |
| Aelyn | 23 | #5,415 | 90 |
| Aylinn | 12 | #8,437 | 82 |
| Ayline | 13 | #7,950 | 70 |
| Aylene | 15 | #7,190 | 59 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Ailyn?
169 of the 3,606,400 babies born in the US in 2025 were named Ailyn (0.05 per 1,000 births). For a girl named Ailyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 50 (of 430 pupils) would have a child named Ailyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Ailyn?
About 4,500 people born in the US named Ailyn are alive today, with a median age of 13; half are between 7 and 18. That makes Ailyn mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Ailyn by state
How common Ailyn was among girls born in each state in 2021–2025. It is notably more common than nationally in Texas (2.0×), Illinois (2.0×), California (1.9×), Arizona (1.8×). In 36 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Ailyn: their share of US girls followed the most similar curve since 1880. If you like Ailyn, they share its era and feel.
Questions about the name Ailyn
What does Ailyn mean?
The origin of Aylin is uncertain: the 'moon' element is likely; the full meaning is not documented here.
How popular is the name Ailyn?
Ailyn was the 1318th most popular name for girls in 2025, given to 169 babies. Its best year was 2012, when it ranked 1044th with 241 babies. Over the last ten years it has moved down 223 places. More babies were named Ailyn in the 2010s than in any other decade.
Is Ailyn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Ailyn in the US.
Where is Ailyn most popular?
In 2021–2025, Ailyn was most common in Texas (0.20 per 1,000 girls), followed by Illinois and California.