Family name Мердок (Murdoch 
, Murdock 
, Merdok ) , around the world, is a common last name. The family name Мердок is characteristic of Jamaica, where it is quite a common surname, Isle of Man, and New Zealand (explore the name in all countries). Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Australia. Much less frequently, Мердок is the forename as well as the last name.