Last name Gács (Gacs 
, Gács ) , across the world, is a rare family name. The family name Gács is habitual in Hungary, where it is quite a rare surname, France, where it is a very rare surname, and Germany. Not in comparison with a country's population, this name is the most popular in Hungary, France, and the United States. Much less frequently, Gács is the forename as well as the last name.
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| Gacs | Hungary, France, United States, India, Germany |
| Gács | Hungary |
| ignaz forgách de ghymes und gács (1702-1772) (b. 1702) |
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| eleonore forgách von ghymes und gács (b. 1857) |
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| gács lászló Hungarian journalist, contributing editor, HU (b. 1903) |
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| z. gács györgy (1914–1978) Hungarian painter, HU (b. 1914) |
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| jános gács (b. 1948) |
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| margit forgách de gács - 1580 |
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| peter gács Ph.D. Johann Wolfgang Goethe-Universität Frankfurt am Main 1978 |
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| gács anna HU (b. 1970) |
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| andrás gács Ph.D. Eötvös Loránd University 1997 |
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| péter forgách de ghymes et gács - 1 Jun 1519 |
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| simon forgách de gács Abt 1522 Komját - 28 Aug 1598 Pozsony |
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| lászló forgách de ghymes et gács - 1550 |
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| mária gács |
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| katalin forgách de ghymes de gács |
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| julia forgách de ghymes et gács |
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