Louise Underhill (Serillo), age 94, of Florham Park, formerly of Madison, passed away peacefully surrounded by her loving family on September 12, 2020. Born in Madison, Louise graduated Madison High School in 1944 and began employment at New York Telephone before leaving to start her family. Her zest for life and positivity was an example for all. She will be deeply missed but forever remembered as simply, one of the best. Louise was married to the love of her life, Donald, for 61 years, until his death in 2010. She leaves behind her devoted daughter, Denise, and cherished granddaughter, Marina, both of Florham Park, who were her loving caregivers. Also, dear sons Donald, Jr. (Margie), of Morris Plains, and Daniel, of New York; as well as her adored grandson, Donald, III, and beloved granddaughters, Krista and Stephanie. Dear sister of the late John, Mary, Jerry, Salvatore, Josephine, Fannie, and Michael. Services will be held privately. In lieu of flowers, please make donations in memory of Louise to: St. Jude Children's Research Hospital, 501 St. Jude Place, Memphis, TN, 38105 (www.stjude.org).