>
Cognomen Jà (Iam , Jà ) , in the entire world, is quite a common last name. The cognomen Jà is characteristic of Macao, where it is quite a common surname, Hong Kong, where it is quite a rare surname, and Senegal. Measured by absolute frequency, this name is the most popular in Indonesia, Morocco, and Egypt. More prevalently, Jà is the forename as well as the last name.