Last name Wallo (Wallo 
) , in all the world, is quite a rare cognomen. The cognomen Wallo is habitual in Saudi Arabia, where it is quite a rare surname, Slovakia, and Finland. In absolute terms, the name is most common in Saudi Arabia, the United States, and Belgium. Much less frequently, Wallo is the forename as well as the last name.
| teodor wallo Czechoslovak senator of Czechoslovak National Parliament, entrepreneur and slovak nation politician (1861-1932), SK (b. 1861) |
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| albert ferdinand wallo SK (b. 1873) |
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| zdenka wallo holocaust victim, b. 1894-07-08, CZ (b. 1894) |
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helena wallo FI |
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| sherwan wallo |
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