Last name Харриган (Harrigan 
, Харриган 
) , around the globe, is quite a common cognomen. The last name Харриган is characteristic of Latin America and the Caribbean, particularly U.S. Virgin Islands, where it is quite a common surname, Antigua and Barbuda, and British Virgin Islands (explore the name in all countries). In absolute terms, it is commonest in the United States, the United Kingdom, and Canada.