Recently (past 100 years) it has been described as an Anglo-Norman nickname for an unfortunate person: Maillorie, Malleorre, corresponding to the Old French adjective maleüré (unhappy, unlucky), from Old French noun maleür (unhappiness, bad luck), French malheur.
- An English surname. of Norman origin.
- A male given name transferred from the surname.
- A female given name transferred from the surname.
- (cryptography, computer security) The malicious party in examples of threat scenarios (synonym: Mallet). See Alice and Bob.