Sinclair
Sinclair is a name with a single cultural origin: English.
- English
Meaning & Origin of Sinclair
What this name means, where it came from, and how it has traveled across cultures.
Sinclair 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 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. The name hit its high-water mark in 2026: 30 births, good for #4,627 nationwide. About 29% of every Sinclair on record arrived during the 2020s, its defining decade. As of 2026, Sinclair ranks #4,627 for girls with 30 births, rising sharply (+68% over the past five years). All told, over 506 Americans have carried the name since 1880, from the 1980s to the 2020s.
As a boy name
The earliest SSA record of Sinclair as a boy name dates back to 1900, when 8 babies received it. 1924 was its biggest year on record, with 29 newborns named Sinclair — #1,380 in the national rankings. Sinclair last appeared in the published SSA data in 2024, with 13 recorded births — it has not charted nationally since. All told, over 1K Americans have carried the name since 1880, from the 1900s to the 2020s.
Popularity Over Time
Popularity by State
Where is Sinclair most common?
Predicted country distribution based on naming patterns globally.
- CM34%
- United States26%
- United Kingdom19%
- Nigeria11%
- BM9%
Source: Nationalize.io . Probabilities are global naming-pattern estimates, not strict counts.
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?
What is the origin of the name Sinclair?
How popular is Sinclair in 2026?
When was Sinclair most popular?
In which U.S. states is Sinclair most popular?
Is Sinclair a unisex name?
What names go well with Sinclair?
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.