Surname Osler (Osler 
, Ослер 
, אוסלר 
) , in the entire world, is quite a rare family name. The family name Osler is characteristic of Lesotho, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Canada. In absolute terms, the name is most common in the United States, the United Kingdom, and Italy. Much less frequently, Osler is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osler | United Kingdom, Canada, South Africa, Italy, United States |
| Ослер | Ukraine, Russia |
| אוסלר | Israel |
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a. follett osler British meteorologist, GB (b. 1808) |
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edmund boyd osler Canadian politician, CA (b. 1845) |
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| edward osler English newspaper editor and writer (b. 1798) |
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sir william osler Canadian pathologist, physician, educator, bibliophile, historian, author, cofounder of Johns Hopkins Hospital, CA (b. 1849) |
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| marian osler (1841-1915), CA (b. 1841) |
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bennie osler South African rugby union footballer, ZA (b. 1901) |
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| catherine osler (1854–1924), social reformer and suffragist, GB (b. 1854) |
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edmund boyd osler Canadian politician, insurance executive, writer, CA (b. 1919) |
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malcolm osler World War II South African flying ace, ZA (b. 1919) |
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| frank osler rugby player (1888-1935), ZA (b. 1888) |
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| [edward] revere osler (1895-1917) (b. 1895) |
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| david osler American architect (b. 1921) |
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| mirabel osler British writer, GB (b. 1925) |
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thomas j. osler American mathematician and distance runner, US |
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flordeliz osler Canadian physician, CA |
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