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Name Lineage

    The surname Castonguay

    A surname, carried by 2,102 people in the United States.

    3 syllables Soundex C235

    Castonguay: #14,257 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer Castonguay #14,257, 2,102 people Castonguay: #14,257 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Castonguay #14,257, 2,102 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Castonguay is more common than 91.2% of them.

    Origin

    A surname.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 2,102 people named Castonguay in the United States in 2010, about 1 in every 146,882 Americans. That is up 3.3% since 2000, when the Census counted 2,034.

    #14,257
    rank among US surnames
    2,102
    people in 2010
    0.7
    per 100,000 Americans
    +3.3%
    change since 2000 (was #13,675)
    RankSurnamePeople1 in
    #14,248Przybylski2,104146,742
    #14,252Buttram2,103146,812
    #14,257Seyler2,102146,882
    #14,264Puls2,101146,952

    Who is named Castonguay

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

    96% of people named Castonguay identified as white (not Hispanic), 1.6% as two or more races and 1.1% as Hispanic or Latino (any race).

    • White (not Hispanic) 96%
    • Two or more races 1.6%
    • Hispanic or Latino (any race) 1.1%
    • Asian and Pacific Islander 0.6%
    The Census suppresses very small shares to protect privacy; Black, Native American are not shown.

    Compare: most common surnames among white Americans.

    Spellings and sound-alikes

    Useful when a record has your ancestor under another spelling

    Surnames that sound like Castonguay

    Castonguay has the Soundex code C235, the code US census indexes have used since the 1930s. Every surname with code C235.

    Questions

    How common is the surname Castonguay?
    2,102 people in the United States had the surname Castonguay in the 2010 Census, about 1 in every 146,882 Americans. It ranked 14,257th of 162,253 surnames.
    What ethnicity is the surname Castonguay?
    In the 2010 Census, 96% of people named Castonguay identified as white (not Hispanic), and 1.6% as two or more races.
    Is the surname Castonguay getting more or less common?
    More common. 2,034 people carried it in the 2000 Census and 2,102 in 2010, up 3.3%.