Last name Коллис (Collis 
, Коллис 
) , in all the world, is quite a common family name. The cognomen Коллис is characteristic of Saint Vincent and the Grenadines, where it is quite a common surname, Antigua and Barbuda, and Malta. Measured by absolute frequency, it is the most numerous in the United Kingdom, the United States, and Australia. Much less frequently, Коллис is the forename as well as the last name.