On Wednesday, more victims of the suicide bombing outside an Ariana Grande concert in Manchester were identified.
Her niece Laura Murray confirmed the news on Facebook this morning.
Kiss was from Blackburn, Lancashire, and The Daily Beast reported that she ran a scaffolding business with her husband, Tony, while taking a class at Salford University.
A young girl captured in a heartbreaking photo as she is comforted by a police officer following the Manchester attack is a child-actress whose mom was killed in the blast, it was revealed Wednesday. In the hours after the attack, Millie was described as "safe", but friends and relatives were anxious when they could not obtain news of Kiss' whereabouts.
They said they hoped to draw from her strength to carry on.
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Loved ones were frantically searching for Kiss, putting out pleas via Twitter, before she was confirmed dead.
Kiss was one of 22 people who died in the Manchester attack, and a further 64 people were injured and taken to the hospital, according to BBC.
Two of the first victims to be named were eight-year-old Saffie Roussos from Leyland and Georgina Callander, 18, from Chorley.
"Truly wonderful" mother-of-three Jane Tweddle-Taylor is another of the victims, while an unnamed off-duty police officer was also killed.