>
Last name Сайдер (Sider
, Saider
, Sayder
) , all over the world, is quite a rare surname. The last name Сайдер is habitual in Algeria, where it is quite a rare surname, Israel, and Jordan. Not in comparison with a country's population, this name is the most popular in the United States, Algeria, and Indonesia. Much less frequently, Сайдер is the forename as well as the last name.