Surname Hillgarth (Hillgarth 
) , globally, is a very rare family name. The surname Hillgarth is habitual in Switzerland, where it is a very rare surname, the United Kingdom, and France. Very seldom, Hillgarth is the forename as well as the last name.
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| Hillgarth | Spain, Switzerland, France, United States, United Kingdom |
| alan hillgarth British writer (1899-1978), GB (b. 1899) |
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| j. n. hillgarth English historian (1929-2020), GB (b. 1929) |
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| justin hillgarth Peerage person ID=330149 (b. 1947) |
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| alan hillgarth Peerage person ID=182721 |
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| sebastian hillgarth Peerage person ID=330157, GB (b. 1985) |
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| henry hillgarth Peerage person ID=330158 (b. 1987) |
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| william hillgarth Peerage person ID=330159 (b. 1991) |
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| alexander hillgarth Peerage person ID=330371, GB (b. 1994) |
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