Designer is a vague term which usually implies the task of creating or of being creative in a particular area of expertise. Often times it is used to reference someone who draws or in some ways uses visual cues to organize their work.
... January 10 - Ray Bolger, actor, singer, dancer (+ 1987)
January 18 - Cary Grant, actor (+ 1986)
January 22 - George Balanchine, choreographer (+ 1983)
January ...