Family name Mechanicus (Mechanicus 
, Mekanis) , in all the world, is a very rare last name. The last name Mechanicus is characteristic of Belgium, where it is a very rare surname, Netherlands, and New Zealand.
| VARIANT | COUNTRY |
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| Mechanicus | Belgium, Canada, New Zealand, Netherlands |
| athenaeus mechanicus author of a Hellenistic summary of siege engines, TR (b. 200) |
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| leontius mechanicus Byzantine mathematician and astronomer (7th century) (b. 650) |
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philip mechanicus Dutch Journalist, Holocaust victim, NL (b. 1889) |
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philip mechanicus Dutch photographer, NL (b. 1936) |
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| jonathan mechanicus NL (b. 1967) |
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