Cognomen Jairus (Jairus 
, Jaaja 
) , around the globe, is quite a rare family name. The cognomen Jairus is characteristic of Namibia, where it is quite a rare surname, Kenya, and Estonia, where it is a rare surname. In absolute terms, this name is the most popular in Sub-Saharan Africa, particularly Nigeria, Kenya, and Uganda. More prevalently, Jairus is the forename as well as the last name.