Dillan
The Story of Dillan
As a girl name
Dillan first appeared in U.S. Social Security Administration records as a girl name in 1993, with 9 babies given the name that year. Its peak popularity came in 2003, when 30 Dillans were born — ranking #4,307 that year. As of 2026, Dillan ranks #8,714 for girls with 10 births, falling sharply (-17%). In total, more than 404 Dillans have been born in the U.S. since records began in 1880, spanning the 1990s through the 2020s.
As a boy name
Dillan first appeared in U.S. Social Security Administration records as a boy name in 1975, with 5 babies given the name that year. Its peak popularity came in 1992, when 341 Dillans were born — ranking #553 that year. As of 2026, Dillan ranks #2,956 for boys with 42 births, falling sharply (-23%). In total, more than 7K Dillans have been born in the U.S. since records began in 1880, spanning the 1970s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Dillan
Phonetically similar names — useful when Dillan is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Dillan
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About the name Dillan
Dillan is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1975 and has accumulated 7K births in the dataset. Dillan's peak popularity came in 1992 when it ranked #553. Use the chart and map above to compare Dillan's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1992 →
- Names of the 1990s →
- Names starting with "D" →
- Browse all boy names →
- Top names of 2026 →
- Browse unisex names →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.