Tosi was born in Ferrara, Emilia-Romagna, on 14 July 1913 (claimed 11 July). She married twice, but had no children. In 1946, she voted for Italy to become a republic; she moved to Genoa, Liguria, following the death of her first husband.
As a centenarian, Tosi was devoutly religious, attending church services regularly until the COVID-19 pandemic, during which she would watch the services on the television. She was also a football fan, had a strict daily routine, and had never smoked.
At the age of 105, Tosi moved into a nursing home in Genoa.
Tosi passed away in Genoa on 5 February 2025, at the age of 111 years, 206 days.
Tosi has been reported by several Italian news outlets since her 107th birthday in 2020.
On 16 March 2024, following the passing of 112-year-old Ines Sommovigo, she became the oldest living person in the region of Liguria. Upon her own passing, she was succeeded by Marie Louise Tortech.
Her age was initially validated by the Gerontology Research Group in January 2024, using her claimed date of birth of 11 July. However, research by Paolo Scarabaggio revealed that she was actually born on 14 July 1913. Consequently, her correct age was validated by the European Supercentenarian Organisation on 8 May 2024, and the validation was recognized by LongeviQuest shortly after.
* Sulla torta 109 candeline, auguri all’ultracentenaria Ebe Tosi – Genova Today, 13 July 2022
* La tifosa sampdoriana più anziana d’Italia compie 110 anni – Genova Today, 11 July 2023