Last name Willon (Willon 
) , throughout the world, is a rare cognomen. The family name Willon is habitual in Malaysia, where it is a rare surname, Myanmar, where it is a very rare surname, and Nicaragua. Measured by absolute frequency, the name is most common in Malaysia, Myanmar, and the United States. More frequently, Willon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Willon | Myanmar, Tanzania, Brazil, United States, Malaysia |
| sophie willon holocaust victim, b. 1855-08-27, CZ (b. 1855) |
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| paula willon holocaust victim, b. 1894-01-23, DE (b. 1894) |
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| max willon holocaust victim, b. 1894-06-15, DE (b. 1894) |
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