Surname Iriah (Iriah 
) , globally, is a rare family name. The surname Iriah is habitual in Nigeria, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Nigeria, Canada, and India. Likewise, Iriah is the forename as well as the last name.