Across the world, Vacys (Vacys 
) is a very rare primarily boy's, but very infrequently girly first name. The given name Vacys is habitual in Northern Europe, particularly Lithuania, where it is quite a rare male name. Much less frequently, Vacys is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Vacys | Brazil, Lithuania, United States, Canada |
| vacys reimeris Lithuanian-Soviet poet, LT (b. 1921) |
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| vacys milius LT (b. 1926) |
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| vacys lekevičius Lithuanian association football player, LT (b. 1963) |
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| vacys vaivada (b. 1958) |
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