Addilyn
How to say it: AD-ih-lin · /ˈædɪlɪn/
Modern variant of Adeline; from Germanic 'adal' meaning 'noble'. Contemporary spelling with no independent history.
Addilyn was the 48th most popular girls’ name in the United States in 2025, given to 256 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 51% in ten years, and it is projected to slip to #87 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #48 |
|---|---|
| Babies born in 2025 | 256 |
| Share of births | 1 in 638 |
| Peak decade | 2010s |
| Change over 10 years | −51% |
| Projected rank for 2030 (estimate) | #87 |
| In France, 2025 | #2,541 among girls’ names, 0 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Quite new on the scene, Addilyn peaked in the 2010s. It lingers close to that peak but is expected to slip.
What goes with it
Gentle and soft with crisp touches across three lilts, Addilyn feels tender. Emmalyn pairs closely with it.
Nicknames
- Addie
- Ada
- Lyn
- Addy
Honouring a Addilyn in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Addilyn is about 1 in 27.
Around the world
This spelling is used in English, German.
In France: #2,541 for girls in 2025.
Keep exploring
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