She was born on June 5, 1948, in Sterling, IL, the daughter of Ralph and Betty M (Beightler) Hammelman. She was a 1967 graduate of Sterling High School and married Alfred J. “Al” Segneri on September 6, 1969. He died on November 27, 2020.
Sandy had served as business manager for the family business, United Electric in Rock Falls for many years. After retirement and at the time of her death, she worked as a bookkeeper at St. Mary Church in Sterling. Sandy was a devout member of St. Mary Church; an avid quilter; and enjoyed being at home watching TV. She had been active in the United Way, the Rock Falls Chamber, and Rotary International.
Survivors include her son Alex Segneri of Milwaukee; her brother Larry Hammelman; her nieces Lindsay Koester, Emily Jones, Cheri Ramirez, Tammy Butler, Deb McMillan, Marcy Vaughn, Gina Segneri and her nephews Drew Barnhart, Josh Hammelmann, Freddie Demshr, Tony Segneri, Nick Segneri, James Segneri, and their respective children.
She was preceded in death by her parents; her husband, and her sister Shirley Barnhart.
Visitation will be held on Thursday, June 6 from 4-6 p.m. at the McDonald Funeral Home, 1002 12th Avenue in Rock Falls. Celebration of the Mass of Christian Burial will follow on Friday at 10:30 a.m. in St. Mary Catholic Church, with the Reverend James Keenan officiating. Entombment will conclude at Riverside Cemetery Mausoleum.
Memorials may be given in her memory to the YWCA; Sauk Valley Food Bank; United Way; or St. Mary Catholic Church.
To send flowers to the family of Sandra, please visit the floral store.




