Allan
Meaning
of uncertain Celtic/Breton origin, traditionally linked to 'little rock' or 'harmony'
Allan's name family
One shared root links 4 names across 2 languages.
Shared root: a Breton name the Normans carried to England, of debated sense; "little rock" and "handsome" are both only traditional guesses
The constellation
More branches
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Allan peaked in the 1920s and the 2020s in nearly equal measure.
Popularity in Brazil
46,920 people · the #590 first name in Brazil · about 1 in 4,329 · median age 25
Among people named Allan living in Brazil at the 2022 census, more were born in the 1990s than in any other decade.
The census also counted 2,480 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
When you meet Allan
People given the name Allan in the United States span the generations: the middle half were born anywhere from 1950 to 1999. Age is the one thing the name won't tell you.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Allan deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Allan 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 Allan fits with your family’s names and surname.
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