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The short answer
Adalyn is a modern feminine name, pronounced AD-ə-lin, that Behind the Name defines as a "variant of Adeline using the popular name suffix lyn." Adeline is the French and English form of Adelina, which comes "from a Germanic name that was derived from the element adal meaning 'noble' (Proto-Germanic *aþalaz)." Adalyn therefore shares the meaning "noble" with the whole Adeline family. Behind the Name lists Adaline, Adalynn, Addilyn, Adeline, Adelyn and Adelynn as variants and Addie, Addy, Alene and Aline as short forms. In the United States it ranked #260 for girls in 2025, behind its double-n twin Adalynn at #184.
Meaning and etymology
Behind the Name's chain runs in three steps. Adalyn is a variant of Adeline built with the suffix -lyn (the entry lists the root as aþalaz). Adeline is the French and English form of Adelina. Adelina derives from a Germanic name based on the element adal, "noble", Proto-Germanic *aþalaz. The Adalyn and Adalynn entries are near-identical apart from the suffix spelling (-lyn versus -lynn), and both are labelled English (Modern). The related-name list is the Adeline family across Europe: Alina, Adelina, Adéla, Adèle, Adela, Ada and Lina among others.
Editorial confidence: established
Linguistic roots
| Language | Form | Meaning |
|---|---|---|
| English (modern) | Adalyn | Adeline + the name suffix -lyn |
| French / English | Adeline | form of Adelina |
| Germanic | adal (Proto-Germanic *aþalaz) | noble |
Popularity
Adalyn ranked #260 for girls in the United States in 2025 (Social Security Administration); Behind the Name's cached entry records the same figure. The double-n spelling Adalynn ranked #184 and Adaline #208 in the same year; each has its own profile.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States (girls) | 2025 | #260 | ssa-2025 |
United States, 2025: #260 (Social Security Administration)
Nicknames, variants, and related names
Nicknames: Addie, Addy, Alene, Aline
Variants: Adalynn, Adaline, Addilyn, Adeline, Adelyn, Adelynn
Related names: Adelina, Alina, Adela, Adèle, Ada, Lina
What the name feels like
Adalyn is the streamlined member of its family: the same vintage Ada- opening and -lin sound as Adalynn, with a tidier single-n spelling that some parents prefer for its simplicity. It reads as contemporary and gently feminine, sharing the current -lyn fashion with Evelyn and Madelyn while keeping the nickname Addie. The choice between Adalyn and Adalynn is mostly about how the name looks written down.
Style tags: modern spelling, Germanic roots, -lyn suffix, three syllables, vintage sound
Editorial interpretation: These style impressions are editorial judgment, not linguistic fact. The comparisons with Evelyn and Madelyn are ours; the remark that the choice is mostly visual is our opinion, since Behind the Name gives identical pronunciations for both spellings.
If you like this name
Names that share Adalyn's Adeline family, its -lyn sound, or its vintage-modern style.
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Frequently asked questions
What does the name Adalyn mean?
Adalyn is a variant of Adeline with the suffix -lyn. Through Adeline and Adelina it goes back to the Germanic element adal, meaning "noble", according to Behind the Name.
Is Adalyn a popular name?
Adalyn ranked #260 among girls' names in the United States in 2025, according to Social Security Administration data.
Adalyn or Adalynn: which spelling is more common?
Both are variants of Adeline per Behind the Name and are pronounced the same way. In the United States in 2025 Adalynn ranked #184 for girls and Adalyn #260, so the double-n spelling is currently more common.
Sources
- Behind the Name: Meaning, origin and history of the name Adalyn — supports variant of Adeline with -lyn, root aþalaz, pronunciation, variants, diminutives, related names.
- Behind the Name: Meaning, origin and history of the name Adeline — supports Adeline as French and English form of Adelina.
- Behind the Name: Meaning, origin and history of the name Adelina — supports Germanic root adal 'noble'.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
