Skip to content
Name Lineage

    The surname McWilliams

    A surname, carried by 20,523 people in the United States.

    3 syllables Soundex M245

    McWilliams: #1,746 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#10,001Dubon McWilliams #1,746, 20,523 people McWilliams: #1,746 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez McWilliams #1,746, 20,523 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). McWilliams is more common than 98.9% of them.

    Origin

    A surname.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 20,523 people named McWilliams in the United States in 2010, about 1 in every 15,044 Americans. That is up 1.9% since 2000, when the Census counted 20,135.

    #1,746
    rank among US surnames
    20,523
    people in 2010
    7.0
    per 100,000 Americans
    +1.9%
    change since 2000 (was #1,628)
    RankSurnamePeople1 in
    #1,737Cahill20,62314,971
    #1,738Schaffer20,61414,977
    #1,739Guidry20,60014,988
    #1,740Yee20,59114,994
    #1,741Kruse20,58414,999
    #1,742McMullen20,54515,028
    #1,743Hurd20,54015,031

    Who is named McWilliams

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

    77% of people named McWilliams identified as white (not Hispanic), 18% as Black (not Hispanic) and 2.5% as Hispanic or Latino (any race).

    • White (not Hispanic) 77%
    • Black (not Hispanic) 18%
    • Hispanic or Latino (any race) 2.5%
    • Two or more races 1.9%
    • American Indian and Alaska Native 0.6%
    • Asian and Pacific Islander 0.6%

    Compare: most common surnames among white Americans.

    Famous McWilliamss

    4 notable people on Wikidata, most written-about first

    • Taj McWilliams-Franklin
      American basketball player and coach, born 1970
    • Cynthia Kaye McWilliams
      American actress, born 1982
    • Caroline McWilliams
      American actress (1945–2010)
    • Julia Child
      American chef, 1912–2004

    Spellings and sound-alikes

    Useful when a record has your ancestor under another spelling

    Surnames that sound like McWilliams

    McWilliams has the Soundex code M245, the code US census indexes have used since the 1930s. Every surname with code M245.

    Questions

    How common is the surname McWilliams?
    20,523 people in the United States had the surname McWilliams in the 2010 Census, about 1 in every 15,044 Americans. It ranked 1,746th of 162,253 surnames.
    What ethnicity is the surname McWilliams?
    In the 2010 Census, 77% of people named McWilliams identified as white (not Hispanic), and 18% as Black (not Hispanic).
    Who is the most famous person named McWilliams?
    Taj McWilliams-Franklin, American basketball player and coach, followed by Cynthia Kaye McWilliams.
    Where is the surname McWilliams most common?
    Wikidata records people named McWilliams in the United States.
    Is the surname McWilliams getting more or less common?
    More common. 20,135 people carried it in the 2000 Census and 20,523 in 2010, up 1.9%.