Holly J. Siwanowicz

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NAUGATUCK — Holly J. (Dutton) Siwanowicz, 79, the widow of Walter F. Siwanowicz, died unexpectedly on June 26, 2023, at Waterbury Hospital.

Holly was born July 6, 1943 in Waterbury, a daughter of the late Kenneth and Virginia (Birch) Dutton Kovach, and had lived in Naugatuck all of her life. Holly was a member of the VFW Auxiliary, Post 8075 in Prospect.

Holly is survived by her daughter and son-in-law, Dale and John Guerrera; her grandchildren, John, Joseph and Robert Guerrera and Colleen Conway; her sisters, Karen Laudate (Dom) and Billie Ruth Rice (Bob); and many nieces and nephews.

In addition to her husband and her parents, Holly was predeceased by her son, Walter F. Siwanowicz Jr.; her daughter, Tracy Lee Conway and her grandson, Sean Patrick Conway.

All services were to be private and there are no calling hours. Arrangements have been entrusted to the Buckmiller Thurston Mengacci Funeral Home, 82 Fairview Ave., Naugatuck.

In lieu of flowers and to honor Holly’s memory, donations are requested to the Angelman Syndrome Foundation at angelman.org.

To leave an online condolence, please visit buckmillerthurstonmengacci.com.