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    The surname Lock

    A surname, carried by 6,936 people in the United States.

    1 syllable Soundex L200

    Lock: #5,058 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer Lock #5,058, 6,936 people Lock: #5,058 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Lock #5,058, 6,936 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Lock is more common than 96.9% of them.

    Origin

    * As an English, German and Dutch surname, from the noun lock. * Also as an English surname, from Middle English loke, itself from Old English loca (“enclosure”) or *Loca (“Loki”) (theonym of the latter). * Also as an English surname, from Middle English locke, from Old English locc (“lock of hair”). * Also as a German surname, Americanized from Loch. * As a Chinese surname, variant of Lok, itself from: ** a Cantonese form of 樂 /乐, see Le. ** a Cantonese form of 陸 /陆, 鹿 (lù), 逯 (lù), and 禄 (lù), see Lu. ** a Cantonese form of 駱 /骆 (luò), see Luo.

    Origin from Wiktionary (CC BY-SA 4.0).

    How common it is

    2010 US Census

    There were 6,936 people named Lock in the United States in 2010, about 1 in every 44,513 Americans. That is up 6.0% since 2000, when the Census counted 6,543.

    #5,058
    rank among US surnames
    6,936
    people in 2010
    2.4
    per 100,000 Americans
    +6%
    change since 2000 (was #4,935)
    RankSurnamePeople1 in
    #5,052Shivers6,93944,494
    #5,055Pinon6,93844,501
    #5,057Durr6,93744,507
    #5,058Lock6,93644,513

    Who is named Lock

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

    76% of people named Lock identified as white (not Hispanic), 11% as Black (not Hispanic) and 6.9% as Asian and Pacific Islander.

    • White (not Hispanic) 76%
    • Black (not Hispanic) 11%
    • Asian and Pacific Islander 6.9%
    • Hispanic or Latino (any race) 3.0%
    • Two or more races 2.0%
    • American Indian and Alaska Native 0.9%

    Compare: most common surnames among white Americans.

    Famous Locks

    3 notable people on Wikidata, most written-about first

    • Sean Lock
      British comedian (1963–2021)
    • Andrew Lock
      Australian Himalayan mountaineer, born 1961
    • Georgia Lock
      British actress, singer, presenter, born 1996

    Notable Locks come mostly from the United Kingdom (2) and Australia (1).

    Spellings and sound-alikes

    Useful when a record has your ancestor under another spelling

    Surnames that sound like Lock

    Lock has the Soundex code L200, the code US census indexes have used since the 1930s. Every surname with code L200.

    Questions

    Where does the surname Lock come from?
    * As an English, German and Dutch surname, from the noun lock. * Also as an English surname, from Middle English loke, itself from Old English loca (“enclosure”) or *Loca (“Loki”) (theonym of the latter). * Also as an English surname, from Middle English locke, from Old English locc (“lock of…
    How common is the surname Lock?
    6,936 people in the United States had the surname Lock in the 2010 Census, about 1 in every 44,513 Americans. It ranked 5,058th of 162,253 surnames.
    What ethnicity is the surname Lock?
    In the 2010 Census, 76% of people named Lock identified as white (not Hispanic), and 11% as Black (not Hispanic).
    Who is the most famous person named Lock?
    Sean Lock, British comedian (1963–2021), followed by Andrew Lock.
    Where is the surname Lock most common?
    Wikidata records people named Lock in the United Kingdom and Australia.
    Is the surname Lock getting more or less common?
    More common. 6,543 people carried it in the 2000 Census and 6,936 in 2010, up 6.0%.