Skip to content
Name Lineage

    The surname Gahan

    An Irish surname, carried by 1,085 people in the United States.

    2 syllables Soundex G500

    Gahan: #23,432 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer Gahan #23,432, 1,085 people Gahan: #23,432 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Gahan #23,432, 1,085 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Gahan is more common than 85.6% of them.

    Origin

    Irish origin

    Reduced form of McGahan.

    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 1,085 people named Gahan in the United States in 2010, about 1 in every 284,558 Americans. That is down 3.6% since 2000, when the Census counted 1,125.

    #23,432
    rank among US surnames
    1,085
    people in 2010
    0.4
    per 100,000 Americans
    -3.6%
    change since 2000 (was #21,605)

    Who is named Gahan

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

    93% of people named Gahan identified as white (not Hispanic), 2.7% as Asian and Pacific Islander and 2.4% as Hispanic or Latino (any race).

    • White (not Hispanic) 93%
    • Asian and Pacific Islander 2.7%
    • Hispanic or Latino (any race) 2.4%
    • Two or more races 1.4%
    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

    Variant spellings

    Surnames that sound like Gahan

    Gahan has the Soundex code G500, the code US census indexes have used since the 1930s. Every surname with code G500.

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname Gahan come from?
    Reduced form of McGahan.
    How common is the surname Gahan?
    1,085 people in the United States had the surname Gahan in the 2010 Census, about 1 in every 284,558 Americans. It ranked 23,432nd of 162,253 surnames.
    What ethnicity is the surname Gahan?
    In the 2010 Census, 93% of people named Gahan identified as white (not Hispanic), and 2.7% as Asian and Pacific Islander.
    Is the surname Gahan getting more or less common?
    Less common. 1,125 people carried it in the 2000 Census and 1,085 in 2010, down 3.6%.
    What are other spellings of Gahan?
    Gagen.