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The surname Sinclair

A patronymic surname, carried by 27,243 people in the United States.

Pronounced /sɪŋˈklɛəɹ/ 2 syllables Soundex S524 Also a first name

Sinclair: #1,290 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#10,001Dubon Sinclair #1,290, 27,243 people Sinclair: #1,290 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Sinclair #1,290, 27,243 people
Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Sinclair is more common than 99.2% of them.

Origin

Derived from Saint Clare, to whom the clan's churches were dedicated.

Sinclair is a patronymic surname: formed from a father’s (or ancestor’s) given name.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 27,243 people named Sinclair in the United States in 2010, about 1 in every 11,333 Americans. That is up 4.7% since 2000, when the Census counted 26,014.

#1,290
rank among US surnames
27,243
people in 2010
9.2
per 100,000 Americans
+4.7%
change since 2000 (was #1,239)
RankSurnamePeople1 in
#1,281Hopper27,35311,287
#1,282McGill27,33011,297
#1,283Dolan27,32911,297
#1,284McKenna27,29311,312
#1,285Head27,29211,313
#1,286Montano27,27611,319
#1,287Paredes27,27411,320

Who is named Sinclair

Race and Hispanic origin as people reported it in the 2010 Census

73% of people named Sinclair identified as white (not Hispanic), 20% as Black (not Hispanic) and 3.8% as Hispanic or Latino (any race).

  • White (not Hispanic) 73%
  • Black (not Hispanic) 20%
  • Hispanic or Latino (any race) 3.8%
  • Two or more races 1.9%
  • American Indian and Alaska Native 0.7%
  • Asian and Pacific Islander 0.7%

Compare: most common surnames among white Americans.

Famous Sinclairs

14 notable people on Wikidata, most written-about first

  • Upton Sinclair
    American writer (1878–1968)
  • Jaz Sinclair
    American actress, born 1994
  • David A. Sinclair
    Australian biologist and geneticist, born 1969
  • Richard Sinclair
    British bassist, born 1948
  • John Sinclair
    American poet (1941–2024)
  • Jim Sinclair
    Autism rights activist, born 1962
  • Joshua Sinclair
    American writer, actor and director, born 1953
  • Stephanie Sinclair
    American photojournalist, born 1973
  • Jonathan Sinclair
    British diplomat (1970- )
  • Ian Sinclair
    American voice actor, born 1984
  • John Sinclair
    Australian environmentalist, 1939–2019
  • Vin Diesel
    American actor (born 1967)

Notable Sinclairs come mostly from the United States (10), Australia (2) and the United Kingdom (2).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Variant spellings

  • Sinclaire
  • Sinclare
  • Sinclar

Surnames that sound like Sinclair

Sinclair has the Soundex code S524, the code US census indexes have used since the 1930s. Every surname with code S524.

Questions

Where does the surname Sinclair come from?
Derived from Saint Clare, to whom the clan's churches were dedicated.
How common is the surname Sinclair?
27,243 people in the United States had the surname Sinclair in the 2010 Census, about 1 in every 11,333 Americans. It ranked 1,290th of 162,253 surnames.
What ethnicity is the surname Sinclair?
In the 2010 Census, 73% of people named Sinclair identified as white (not Hispanic), and 20% as Black (not Hispanic).
Who is the most famous person named Sinclair?
Upton Sinclair, American writer (1878–1968), followed by Jaz Sinclair.
Where is the surname Sinclair most common?
Wikidata records people named Sinclair in the United States, Australia and the United Kingdom.
How do you pronounce Sinclair?
Sinclair is /sɪŋˈklɛəɹ/, 2 syllables.
What type of surname is Sinclair?
Sinclair is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname Sinclair getting more or less common?
More common. 26,014 people carried it in the 2000 Census and 27,243 in 2010, up 4.7%.
What are other spellings of Sinclair?
Sinclaire, Sinclare and Sinclar.
Is Sinclair also a first name?
Yes. Sinclair is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.