Nicholas m. Greek νίκη 'victory' + Greek λαός 'people'.
The name of a 3rd C saint better known as Santa Claus, a 9th C pope, an 11th C pope, a 12th C patriarch of Constantinople, a 12th C Danish saint, a 12th C king of Denmark, a 13th C Italian saint, two 13th C popes, a 14th C antipope, a 15th C pope, and a 15th C Swiss saint.