Dillan
Meaning
variant of Dylan, traditionally 'son of the sea'
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Dillan peaked in the 2000s.
See popularity in Brazil
Popularity in Brazil
178 people · the #27,587 first name in Brazil · about 1 in 1,000,000 · median age 10
Among people named Dillan living in Brazil at the 2022 census, more were born in the 2010s than in any other decade.
The census also counted 44 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
When you meet Dillan
Most people given the name Dillan 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 Dillan deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Dillan 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 Dillan fits with your family’s names and surname.
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