last name
SINCLAIR
#1,261
of 156,621 last names recorded in the 2020 Census
People
27,347
About
1 in 10,930
This common or more
42.4%
Who bears it
Of the 27,347 people with the last name Sinclair, 70% reported their origin as White, 19.7% as Black and 4.8% as Hispanic or Latino. These count how people described themselves on the 2020 Census, not where the name comes from.
What should your name go on next?
Thanks! We'll make the most-wanted one next.
Either side of Sinclair
Spelled almost the same
One last name in the 2020 Census spelled within a letter or two of Sinclair, most common first.
Also a first name
As a first name, Sinclair ranks #10,628 of 53,615, with 1,242 people. As a baby name it peaked in 2025, with 43 births. See Sinclair as a first name
Compare
🔎 SINCLAIR 🟦🟦🟦🟦⬜⬜⬜⬜⬜⬜ 1 in 10,930 Americans More common than 57.6% of us Beat that 👇 https://howrareismy.name/last/sinclair/