Kathleen (Duffy) Larensen, 75, of Marlborough, CT, wife of John E. Larensen III, died Wednesday, December 19, 2018 at Middlesex Hospital surrounded by her loving family . She was born October 3, 1943 in Hartford, CT, daughter of the late Joseph Gannon Duffy and Mary Abigail Murphy. Kathy graduated from Weaver High School in 1961 and worked for the MDC in Hartford and Liberty Bank in Colchester. Kathy was married to John for 50 years and they lived 3 yrs. in Hartford, 4 yrs. in Windsor and 43 years in Marlborough. She enjoyed traveling around Europe, in South America, to Africa, North America and many islands. As a very accomplished cook, she entertained family and friends with dinner parties, card parties, holiday events, special occasions and summer gatherings around the swimming pool. Kathy was devoted to her children and most recently to her grandchildren. She volunteered at the Marlborough Food Bank, the St. John Fisher CCD staff and bingo workers, was President of the Marlborough Lioness Club, assisted with the Girl Scout Troop, was active in the PTO and donated many gallons of blood to the Red Cross. Her social life included friends from Mah Jong, former work colleagues and members of her high school sorority. In addition to her husband, John, Kathy is survived by a son, Keith Edward Larensen and his wife Kim, of Salem, CT, and a daughter, Kristin Marie Lagana and her husband Salvatore, of Middletown, CT; her grandchildren Meaghan, Gabrielle, John, Kasey, Alyssa, Sebastian and Anthony; her siblings, Joseph Thomas Duffy and his wife Carol, of Oldsmar, FL and Mariellen Cole of Saunderstown, RI; and several nephews and a niece. A Mass of Christian Burial will be celebrated on Saturday, Dec. 22 at 11am in St. John Fisher Church, 30 Jones Hollow Rd., Marlborough. Burial will follow in Marlboro Cemetery. Friends may call at the Mulryan Funeral Home, 725 Hebron Ave., Glastonbury on Friday Dec. 21 from 4-8pm. In lieu of flowers, donations may be made to St. Jude Children’s Hospital at 262 Danny Thomas Place, Memphis, TN, 38105. For online condolences please visit www.mulryanfh.com.