Monika Tilley, an innovative designer of activewear, loungewear and racy swimsuits that glistened from the covers of Sports Illustrated magazine on models like Christie Brinkley and Cheryl Tiegs, died on Dec. 23 in Manhattan. She was 86.
Her daughter, Mona Tilley, announced the death in January. She said her mother had died in a hospital after having multiple strokes.
Ms. Tilley was not a name designer like Bill Blass or Calvin Klein; she was an industry talent known for her work for Anne Cole, Anne Klein, White Stag and other companies, designing what would become a uniquely American style of