Family name מורדוק (Murdock 
, מורדוק 
) , in the world, is a common last name. The last name מורדוק is habitual in Jamaica, where it is quite a common surname, Ireland, and the United States, where it is quite a rare surname. In absolute terms, this name is the most popular in the United States, Canada, and the United Kingdom. Very seldom, מורדוק is the forename as well as the last name.