Globally, Medardus (Medardus 
) is a very rare boy's forename. The forename Medardus is habitual in Western Europe, particularly Germany, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Medardus | United States, Germany, India |
| medardus thoenert German copperplate engraver (1754-1814), DE (b. 1754) |
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| medardus reiter AT (b. 1755) |
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| medardus kruchen DE (b. 1877) |
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| medardus höbelt German painter (1914-2011), DE (b. 1914) |
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| medardus luca DE (b. 1935) |
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| medardus brehl DE (b. 1969) |
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