Last name Hartwick (Hartwick 
) , globally, is quite a rare cognomen. The cognomen Hartwick is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United States.
| VARIANT | COUNTRY |
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| Hartwick | Australia, Canada, United States, New Zealand, France |
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hartwick losck (b. 1655) |
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| john christopher hartwick Lutheran clergyman (b. 1714) |
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| anna elisabeth hartwick SE (b. 1796) |
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| george gunther hartwick Amerikaans; schilder; Amerikaans; schilder (b. 1817) |
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edward hartwick American soldier and businessman, US (b. 1871) |
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douglas a. hartwick American diplomat, US (b. 1950) |
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| john m. hartwick economist (Queen's University) (b. 1944) |
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| elaine hartwick geographer (1961-2022), US (b. 1961) |
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| michael hartwick researcher |
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| meghan a hartwick researcher |
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| joe hartwick jr. film and television producer |
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| erik w hartwick researcher |
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| joseph hartwick |
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| james m. m. hartwick |
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