Family name Айвор (Ivor 
, Ayvor 
, Айвор 
) , in the world, is a rare last name. The family name Айвор is habitual in Slovakia, where it is a rare surname, Ireland, and Israel. Measured by absolute frequency, the name is most common in Spain, Venezuela, and Nigeria. More frequently, Айвор is the forename as well as the last name.