Family name Sonday (Sonday 
, วันอาทิตย์ 
) , worldwide, is quite a common cognomen. The last name Sonday is habitual in Nigeria, where it is quite a rare surname, South Africa, and Kuwait, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Nigeria, South Africa, and the United States. Likewise, Sonday is the forename as well as the last name.