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Family name Borromeo (Borromeo ) , in the world, is a common cognomen. The last name Borromeo is habitual in Philippines, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Qatar. Measured by absolute frequency, the name is most common in Philippines, Italy, and the United States. Much less frequently, Borromeo is the forename as well as the last name.