Dillan
Dillan is a name with a single cultural origin: English.
- English
Meaning & Origin of Dillan
What this name means, where it came from, and how it has traveled across cultures.
Dillan is a name with a single cultural origin: English.
Origin data from Behind the Name .
Cultural Origins (via Behind the Name)
- English
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. The name hit its high-water mark in 2003: 30 births, good for #4,307 nationwide. The 2000s were its strongest decade, accounting for roughly 39% of all recorded Dillans. In the latest 2026 data it stands at #8,714 among girl names 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
American parents first put Dillan on the record books as a boy name in 1975, with 5 registered babies. Its peak popularity came in 1992, when 341 Dillans were born — ranking #553 that year. The 2000s were its strongest decade, accounting for roughly 38% of all recorded Dillans. In the latest 2026 data it stands at #2,956 among boy names 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
Variants & Related Forms of Dillan
Foreign forms, alternate spellings, and nicknames that share roots with Dillan. Linked entries have a profile on Peek a Name.
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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How popular is Dillan in 2026?
When was Dillan most popular?
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Is Dillan a unisex name?
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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.