Allison
Meaning
a medieval French diminutive of Alice, at root Adalheidis, "of noble kind"; it survived centuries in Scotland after fading elsewhere, then became a 20th-century American standard. Allie is the natural landing spot
The story
Allison began in medieval France as a pet form of Alice, itself from the Germanic Adalheidis, of noble kind, so the name has meant nobility since before spelling settled down. When Alice's other diminutives faded in England, Allison survived for centuries in Scotland, which is why it long carried a faintly Scottish air. Its American life is a slow, even escalator: barely present in the early records, picking up in the 1950s, then climbing decade after decade without a single dramatic spike, all the way to a peak in the 2010s. Names that rise that patiently rarely crash, and Allison has only stepped back gently since. It is a twentieth-century American standard built on thousand-year-old bones, and Allie, the natural landing spot, keeps the whole arrangement warm and easy to live with.
Allison around the world
One shared root links 21 names across 3 languages.
Shared root: a Germanic family built on adal "noble": Adalheidis "of noble kind" wore down through Old French Aalis into Alice and a crowd of descendants
The constellation
14 more branches of this family
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Allison peaked in the 2010s.
See popularity in Brazil
Popularity in Brazil
5,198 people · the #2,667 first name in Brazil · about 1 in 38,462 · median age 23
Among people named Allison living in Brazil at the 2022 census, more were born in the 1990s than in any other decade.
The census also counted 274 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
When you meet Allison
Most people given the name Allison in the United States were born between 1980 and 2009. The Allison you meet today is most often in her 20s or 30s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Allison deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Allison truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Allison fits with your family’s names and surname.
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