Last name Hoaglin (Hoaglin 
) , all over the world, is a rare family name. The family name Hoaglin is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Hoaglin | United Kingdom, United States, Venezuela, Canada |
| frederick f. hoaglin American politician, US (b. 1848) |
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| fred hoaglin American football player, US (b. 1944) |
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| david caster hoaglin (b. 1944) |
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| david c hoaglin researcher |
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| michael c hoaglin researcher |
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