Sinclair
The Story of Sinclair
As a girl name
Sinclair first appeared in U.S. Social Security Administration records as a girl name in 1989, with 5 babies given the name that year. Its peak popularity came in 2026, when 30 Sinclairs were born — ranking #4,627 that year. As of 2026, Sinclair ranks #4,627 for girls with 30 births, rising sharply (+68% over the past five years). In total, more than 506 Sinclairs have been born in the U.S. since records began in 1880, spanning the 1980s through the 2020s.
As a boy name
Sinclair first appeared in U.S. Social Security Administration records as a boy name in 1900, with 8 babies given the name that year. Its peak popularity came in 1924, when 29 Sinclairs were born — ranking #1,380 that year. As of 2026, Sinclair ranks #6,443 for boys with 13 births, holding steady (+2%). In total, more than 1K Sinclairs have been born in the U.S. since records began in 1880, spanning the 1900s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Sinclair
Phonetically similar names — useful when Sinclair is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
- Sinkler
- Suncor
- Similiar
- Skincare
- Sankar
- Sickler
- Syncline
- Sinque
- Sunflower
- Sommelier
- Sinhala
- Sunglow
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Sinclair
What does the name Sinclair mean?
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When was Sinclair most popular?
In which U.S. states is Sinclair most popular?
Is Sinclair a unisex name?
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About the name Sinclair
Sinclair is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1900 and has accumulated 1K births in the dataset. Sinclair's peak popularity came in 1924 when it ranked #1,380. Use the chart and map above to compare Sinclair's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1924 →
- Names of the 1920s →
- Names starting with "S" →
- 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.