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    The surname O'Flaherty

    An Irish surname, carried by 1,301 people in the United States.

    Pronounced /oʊˈflɛərti/ 4 syllables Soundex O146

    O'Flaherty: #20,421 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer O'Flaherty #20,421, 1,301 people O'Flaherty: #20,421 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez O'Flaherty #20,421, 1,301 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). O'Flaherty is more common than 87.4% of them.

    Origin

    Irish origin

    Anglicization of Irish Ó Flaithbheartaigh. See also Flaherty.

    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 1,301 people named O'Flaherty in the United States in 2010, about 1 in every 237,314 Americans. That is up 10% since 2000, when the Census counted 1,181.

    #20,421
    rank among US surnames
    1,301
    people in 2010
    0.4
    per 100,000 Americans
    +10.2%
    change since 2000 (was #20,785)

    Who is named O'Flaherty

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

    94% of people named O'Flaherty identified as white (not Hispanic), 2.6% as Hispanic or Latino (any race) and 1.5% as Black (not Hispanic).

    • White (not Hispanic) 94%
    • Hispanic or Latino (any race) 2.6%
    • Black (not Hispanic) 1.5%
    • Two or more races 1.3%
    The Census suppresses very small shares to protect privacy; Asian & Pacific Islander, Native American are not shown.

    Compare: most common surnames among white Americans.

    Famous O'Flahertys

    1 notable person on Wikidata, most written-about first

    • Joe Flaherty
      American actor, writer, and comedian (1941–2024)

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname O'Flaherty come from?
    Anglicization of Irish Ó Flaithbheartaigh. See also Flaherty.
    How common is the surname O'Flaherty?
    1,301 people in the United States had the surname O'Flaherty in the 2010 Census, about 1 in every 237,314 Americans. It ranked 20,421st of 162,253 surnames.
    What ethnicity is the surname O'Flaherty?
    In the 2010 Census, 94% of people named O'Flaherty identified as white (not Hispanic), and 2.6% as Hispanic or Latino (any race).
    Who is the most famous person named O'Flaherty?
    Joe Flaherty, American actor, writer, and comedian (1941–2024).
    Where is the surname O'Flaherty most common?
    Wikidata records people named O'Flaherty in Canada.
    How do you pronounce O'Flaherty?
    O'Flaherty is /oʊˈflɛərti/, 4 syllables.
    Is the surname O'Flaherty getting more or less common?
    More common. 1,181 people carried it in the 2000 Census and 1,301 in 2010, up 10%.