January Jones: January Jones. Actress: X-Men: First Class. January Jones was born on January 5, 1978 in Sioux Falls, South Dakota. She is the daughter of Karen Sue (née Cox), a sporting goods store manager, and Marvin Roger Jones, a gym teacher and fitness director. She is of Czech, Danish, English, Welsh, and German ancestry. She was named after the character January Wayne in Jacqueline Susann's potboiler novel turned film, Once Is...
