All around the world, Liisu (Liisu 
) is a very rare female first name. The forename Liisu is habitual in Northern Europe, particularly Estonia, where it is quite a rare feminine name. Very seldom, Liisu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Liisu | United Kingdom, Estonia, Finland |
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liisu poijärvi Finnish rebel who used the nickname Old Nun -1950, FI (b. 1886) |
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| põlde liisu Estonian folksinger, EE (b. 1873) |
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| liisu saavalainen researcher |
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| liisu arro Estonian ceramicist, EE (b. 1981) |
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| liisu lass Estonian journalist, EE (b. 1988) |
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| liisu krass (b. 1988) |
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Jou, Miller, Siimer, Kallas, Paidla, Riives, Lehari, Lisete, Jallai, Eilart, Nasir, Hulkko, Mäekask, Arumäe, Jäppinen, Hellolen, Mikkonen, Sepponen, Kaljundi, Nikišin, Ruotsalainen, Uusitalo, Znamenskaja, Tinno, Krass, Ots, Meow, Musi, Sild, Sepp, Alla, Arro, Lass, Lell, Lugna, Liis, Jouu, Inno, Orav, Olen, Adams, Kapsi, Kolga, Kiisu, Krist, Liiv, and Hakkarainen