Sinclair
Girl name · #4714 in 2025 · Uniqueness 48/100
In 2025, 29 baby girls were named Sinclair, placing it at #4714 in the official national rankings. A decade ago it stood at #6977, so the name has been rising over the past ten years. Roughly one in every 62,069 girls born in 2025 was named Sinclair.
Babies named Sinclair per year, 1880–2025. Source: SSA.
The 36-year story
Sinclair first appears in the Social Security records in 1989, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 29 babies and a rank of #4661. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Sinclair against up to 5 other names.
Uniqueness: will there be another Sinclair in class?
Sinclair scores 48 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Sinclair is most common
State-level data for Sinclair is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Sinclair
Statistically, parents drawn to Sinclair tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Safiyyah, Shaindel, Sumayyah, Seraiah, and Sicilia.
SafiyyahShaindelSumayyahSeraiahSiciliaSafiyahSatoriMahnoor
Rank history (last 25 years)
| Year | Babies named Sinclair | Rank |
|---|---|---|
| 2025 | 29 | #4661 |
| 2024 | 28 | #4772 |
| 2023 | 22 | #5549 |
| 2022 | 13 | #8032 |
| 2021 | 18 | #6414 |
| 2020 | 9 | #10250 |
| 2019 | 12 | #8597 |
| 2018 | 17 | #6792 |
| 2017 | 16 | #7092 |
| 2016 | 9 | #10859 |
| 2015 | 17 | #6977 |
| 2014 | 8 | #11931 |
| 2013 | 10 | #10235 |
| 2012 | 12 | #9109 |
| 2011 | 14 | #8196 |
| 2010 | 5 | #16992 |
| 2009 | 8 | #12429 |
| 2008 | 11 | #10084 |
| 2007 | 8 | #12676 |
| 2006 | 15 | #7868 |
| 2005 | 12 | #8883 |
| 2004 | 9 | #10690 |
| 2003 | 11 | #9048 |
| 2002 | 13 | #7816 |
| 2001 | 15 | #6956 |
Frequently asked questions
Is Sinclair a popular girl name?
Sinclair ranked #4714 among girls in 2025 with 29 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #6977.
When was the name Sinclair most popular?
Sinclair peaked in 2025, when 29 American girls received the name (ranked #4661 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sinclair?
In 2025, roughly 1 in 62,069 newborn American girls was named Sinclair. It scores 48/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.