Cognomen Bréanainn (Brendan 
, Brandán 
, Brendano 
) , around the globe, is quite a common last name. The surname Bréanainn is habitual in Malaysia, where it is quite a rare surname, Ireland, and Nigeria. Not in comparison with a country's population, it most frequently occurs in Nigeria, Malaysia, and Tanzania. More frequently, Bréanainn is the forename as well as the last name.