Skip to content
Name Lineage

    The surname McCoskey

    An Irish patronymic surname, carried by 634 people in the United States.

    3 syllables Soundex M220

    McCoskey: #35,489 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer#10,001Dubon McCoskey #35,489, 634 people McCoskey: #35,489 of 162,253 surnames in the 2010 US Census #1Smith#100Jimenez McCoskey #35,489, 634 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). McCoskey is more common than 78.1% of them.

    Origin

    Irish origin

    Perhaps a variant of McCaskey or an Anglicized form of Irish Mac Coscraich (“son of Coscrach”).

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

    One of 880 Irish surnames on this site.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 634 people named McCoskey in the United States in 2010, about 1 in every 486,980 Americans. That is down 3.1% since 2000, when the Census counted 654.

    #35,489
    rank among US surnames
    634
    people in 2010
    0.2
    per 100,000 Americans
    -3.1%
    change since 2000 (was #33,020)

    Who is named McCoskey

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

    97% of people named McCoskey identified as white (not Hispanic), 1.4% as Hispanic or Latino (any race).

    • White (not Hispanic) 97%
    • Hispanic or Latino (any race) 1.4%
    • Two or more races 0.8%
    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 McCoskey

    McCoskey has the Soundex code M220, the code US census indexes have used since the 1930s. Every surname with code M220.

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname McCoskey come from?
    Perhaps a variant of McCaskey or an Anglicized form of Irish Mac Coscraich (“son of Coscrach”).
    How common is the surname McCoskey?
    634 people in the United States had the surname McCoskey in the 2010 Census, about 1 in every 486,980 Americans. It ranked 35,489th of 162,253 surnames.
    What ethnicity is the surname McCoskey?
    In the 2010 Census, 97% of people named McCoskey identified as white (not Hispanic), and 1.4% as Hispanic or Latino (any race).
    What type of surname is McCoskey?
    McCoskey is a patronymic surname, formed from a father’s (or ancestor’s) given name.
    Is the surname McCoskey getting more or less common?
    Less common. 654 people carried it in the 2000 Census and 634 in 2010, down 3.1%.