Last name Jucys (Jucys 
) , throughout the world, is a rare surname. The family name Jucys is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is a rare surname, and Norway. In absolute terms, it is commonest in Lithuania, Romania, and Spain.
| VARIANT | COUNTRY |
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| Jucys | Norway, Romania, Spain, Latvia, Lithuania |
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adolfas jucys Lithuanian theoretical physicist (1904-1974), LT (b. 1904) |
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valerijonas vytautas jucys LT (b. 1930) |
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| juozas jucys LT (b. 1920) |
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| algimantas adolfas jucys Lithuanian mathematician, LT (b. 1936) |
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| kęstutis jucys LT (b. 1961) |
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| antanas jucys |
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Mr, Karolis, Paulius, Donatas, Dovydas, Nerijus, Edgaras, Edvinas, Evaldas, Antanas, Egidijus, Martynas, Arnestas, Domantas, Giedrius, Eduardas, Ernestas, Vytautas, Mindaugas, Ovidijus, Andrius, Saugirdas, Edgars, Pia, Maria, Matas, Minde, Pablo, Rokas, Denas, Lukas, Tadas, Tomas, Eddie, Indre, Ignas, Mantas, Miguel, Darius, Dinius, Gintas, Tauras, Gediminas, and Augustinas