Mary T. Denitto, 78, of Niagara Falls, NY, passed away on March 24, 2022 at Kenmore Mercy Hospital in Tonawanda, NY.  Born in Niagara Falls, NY, she was the daughter of the late Orlando "Sonny" and Alice (Alviti) Denitto.

Mary attended local schools and graduated from Niagara Falls High School.  She worked on the line for Nabisco Shredded Wheat and later as a Secretary for Union Carbide.  Mary owned and operated her own cleaning business, Shine & Sparkle, in Buffalo, NY, for 10 years until her retirement in 1989.  She enjoyed shopping on QVC and playing solitaire and Bingo on her tablet.  Above all, she cherished the time she spent with her family, as well as all of the laughter she shared with them.

Mary is survived by her daughter, Deborah (late George) Gioannini; her granddaughter, Tamara Gioannini (fiancé James Eggleston); her nephews and niece, Joseph (Toni Jean) Denitto, Jr., Orlando (Janelle) Denitto, and Diana (Mark) Tamburrino, as well as several great nieces, nephews, and cousins.  She was predeceased by her brother, Joseph (Rachel) Denitto.

Private funeral services and entombment in St. Joseph Cemetery, Niagara Falls, NY will be held at the convenience of the family.  If desired, memorial offerings may be made to the American Heart Association, www.heart.org .  Arrangements by M.J. Colucci & Son Niagara Funeral Chapel.  Visit mjcoluccifuneralchapel.com for online condolences.