is jack spade related to kate spade? Hello everyone, welcome to solserin. This post is about “is jack spade related to kate spade?”. Katherine Noel Valentine Brosnahan Spade (born Katherine Noel Brosnahan; December 24, 1962 – June 5, 2018) was an American fashion designer and entrepreneur. She was the founder and former co-owner of the designer brand Kate Spade New York. Early life …