Family name הילארי (Hillary 
, Hilarie 
, הילארי 
) , all around the world, is a common cognomen. The cognomen הילארי is habitual in Sub-Saharan Africa, particularly Eswatini, where it is quite a common surname, Kenya, and Uganda, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Sub-Saharan Africa, particularly Nigeria, Kenya, and Uganda. More frequently, הילארי is the forename as well as the last name.