Kathryn Marie Dominey (Sissy Kay) of Katy, TX left this earth on her journey to Heaven on August 21, 2021, at 8:30 p.m. She passed at home surrounded by loved ones. During her 50-year career, she became one of the most iconic commercial interior designers in the Houston area as well as in Tulsa, OK. She is survived by her daughter and son-in-law, Diana and Jeff Porter of Katy, TX; her son and daughter-in-law, Bruce and Renee Dominey of Durango, CO; and her five grandchildren: Aaron Porter (28), Brandon Porter (25), Lindsey Porter (23), Grace Dominey (13) and Kurgen Dominey (12).