Cognomen Слейд (Slade 
, Слейд 
) , throughout the world, is a common surname. The family name Слейд is characteristic of Isle of Man, where it is quite a common surname, the United Kingdom, and New Zealand, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, Слейд is the forename as well as the last name.