Surname Ейвері (Avery 
, Ейвері 
) , worldwide, is a common cognomen. The cognomen Ейвері is characteristic of Guernsey, where it is quite a common surname, New Zealand, and the United States. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Canada. Likewise, Ейвері is the forename as well as the last name.