Adair
Meaning
“Scottish surname from Gaelic 'Ath-Dàir', 'ford of the oaks'”
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Adair peaked in the 2000s and the 2020s in nearly equal measure.
Popularity in Brazil
28,165 people · the #857 first name in Brazil · about 1 in 7,194 · median age 54
Among people named Adair living in Brazil at the 2022 census, more were born in the 1970s than in any other decade.
The census also counted 29 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
When you meet Adair
Most people given the name Adair in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Adair deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Adair 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 Adair fits with your family’s names and surname.
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