Last name Gailiūnas (Gailiūnas 
) , all around the world, is a very rare family name. The surname Gailiūnas is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname.
| kazimieras gailiūnas Lithuanian Righteous Among the Nations, LT (b. 1886) |
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romualdas gailiūnas LT (b. 1956) |
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| pranas gailiūnas (b. 1913) |
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| algirdas gailiūnas Lithuanian judge, LT (b. 1948) |
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