Last name Маклай (Mclay 
, Маклай 
) , all around the world, is quite a rare family name. The last name Маклай is habitual in New Zealand, where it is quite a rare surname, Australia, and the United Kingdom. Not in comparison with a country's population, the name is most common in the United Kingdom, the United States, and Australia. Very seldom, Маклай is the forename as well as the last name.