Cognomen Careless (Careless 
, ประมาท 
) , worldwide, is a rare surname. The last name Careless is habitual in the United Kingdom, where it is a rare surname, Australia, and Canada. Also, Careless is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Careless | United Kingdom, Australia, United States, Bangladesh, Canada |
| ประมาท | Thailand |
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william careless Royalist officer and companion of King Charles II, GB (b. 1610) |
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betty careless 18th century London prostitute and brothel owner (b. 1700) |
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george careless American musician, GB (b. 1839) |
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| thomas careless (1812-1891) (b. 1812) |
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| cecil careless (born 1860) (b. 1860) |
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| william edward careless (b. 1881) |
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| j. m. s. careless Canadian historian (1919-2009), CA (b. 1919) |
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| ric careless (b. 1951) |
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