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Name Lineage

    The surname O'Loughlin

    An Irish surname, carried by 3,162 people in the United States.

    3 syllables Soundex O424

    O'Loughlin: #10,191 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer O'Loughlin #10,191, 3,162 people O'Loughlin: #10,191 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez O'Loughlin #10,191, 3,162 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). O'Loughlin is more common than 93.7% of them.

    Origin

    Irish origin

    See Loughlin.

    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 3,162 people named O'Loughlin in the United States in 2010, about 1 in every 97,642 Americans. That is up 0.7% since 2000, when the Census counted 3,141.

    #10,191
    rank among US surnames
    3,162
    people in 2010
    1.1
    per 100,000 Americans
    +0.7%
    change since 2000 (was #9,491)
    RankSurnamePeople1 in
    #10,185Hakim3,16597,550
    #10,186Smit3,16497,581
    #10,189Thome3,16397,612
    #10,191O'Loughlin3,16297,642
    #10,193Pizzo3,16197,673
    #10,197Garr3,16097,704

    Who is named O'Loughlin

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

    92% of people named O'Loughlin identified as white (not Hispanic), 3.6% as Hispanic or Latino (any race) and 1.9% as Black (not Hispanic).

    • White (not Hispanic) 92%
    • Hispanic or Latino (any race) 3.6%
    • Black (not Hispanic) 1.9%
    • Two or more races 1.7%
    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'Loughlins

    2 notable people on Wikidata, most written-about first

    • Alex O'Loughlin
      Australian film and television actor, born 1976
    • Gerald S. O'Loughlin
      American actor (1921-2015)

    Notable O'Loughlins come mostly from Australia (1) and the United States (1).

    Spellings and sound-alikes

    Useful when a record has your ancestor under another spelling

    Surnames that sound like O'Loughlin

    O'Loughlin has the Soundex code O424, the code US census indexes have used since the 1930s. Every surname with code O424.

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname O'Loughlin come from?
    See Loughlin.
    How common is the surname O'Loughlin?
    3,162 people in the United States had the surname O'Loughlin in the 2010 Census, about 1 in every 97,642 Americans. It ranked 10,191st of 162,253 surnames.
    What ethnicity is the surname O'Loughlin?
    In the 2010 Census, 92% of people named O'Loughlin identified as white (not Hispanic), and 3.6% as Hispanic or Latino (any race).
    Who is the most famous person named O'Loughlin?
    Alex O'Loughlin, Australian film and television actor, followed by Gerald S. O'Loughlin.
    Where is the surname O'Loughlin most common?
    Wikidata records people named O'Loughlin in Australia and the United States.
    Is the surname O'Loughlin getting more or less common?
    More common. 3,141 people carried it in the 2000 Census and 3,162 in 2010, up 0.7%.