Cognomen Lawless (Lawless 
, 勞倫斯 
, Laweles) , in the entire world, is a common family name. The surname Lawless is habitual in Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, the name is most common in the United States, Ireland, and the United Kingdom. Very seldom, Lawless is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lawless | Australia, Ireland, Canada, United States, United Kingdom |
| 勞倫斯 | China |
| nicholas lawless, 1st baron cloncurry Irish noble (b. 1735) |
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| william lawless Lawless, William (1772–1824), army officer in the French service, IE (b. 1772) |
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| valentine lawless, 2nd baron cloncurry Irish politician (b. 1773) |
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| john lawless Irish agitator (b. 1773) |
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margaret wynne lawless American poet, author, educator, philanthropist (1847-1926), US (b. 1847) |
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| valentine lawless (1805-1825) (b. 1805) |
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| clement francis lawless (1815-1877) pastoralist (b. 1815) |
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| edward lawless British peer (b. 1816) |
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| paul lawless (1817-1865) pastoralist (b. 1817) |
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frank lawless Irish politician (b. 1870) |
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| cecil lawless British politician (b. 1821) |
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| matthew james lawless Irish painter and illustrator, IE (b. 1837) |
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| valentine lawless November 2, 1840 - February 12, 1928 (b. 1840) |
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| emily lawless Irish novelist and poet, GB (b. 1845) |
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| frederick lawless peer (1847-1929), GB (b. 1847) |
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